A carrier of genetic information that is visible under an ordinary light microscope. Each human chromosome has two arms, the p (short) arm and the q (long) arm. These arms are separated from each other only by the centromere, which is the point at which the chromosome is attached to the spindle during cell division. The 3 billion base pairs in the [..]

A fragment of a chromosome that lacks a centromere, so that the chromosome is lost when the cell divides.

A chromosome that has its centromere located near one end of the chromosome. Humans have five pairs of acrocentric chromosomes. Down syndrome is due to an extra acrocentric chromosome (chromosome 21).

A chromosome that is abnormal in that it has two centromeres rather than one. Because the centromere is essential for chromosome division, a dicentric chromosome is pulled in opposite directions when the cell divides. This causes the chromosome to form a bridge and then break and be unstable.

An abnormal chromosome that is distinctive in appearance but not fully identified. A marker chromosome is not necessarily a marker for a specific disease or abnormality, but it can be distinguished under the microscope from all the normal human chromosomes. For example, the fragile X (FRAXA) chromosome was once called the marker X.

The sex chromosome found twice in normal females and once, along with a Y chromosome, in normal males. The complete chromosome complement (consisting of 46 chromosomes, including the 2 sex chromosomes) is thus conventionally written as 46,XX for chromosomally normal females and 46,XY for chromosomally normal males. The X chromosome not only determi [..]

The sex chromosome found in normal males, together with an X chromosome. Once thought to be a genetic wasteland, the Y chromosome is now known to contain at least 20 genes. Some of these genes are unique to the Y chromosome, including the male-determining gene and male fitness genes that are active only in the testis and that are thought to be resp [..]

Part of a cell that contains genetic information. Except for sperm and eggs, all human cells contain 46 chromosomes.

Organic structure that carries an organism's genetic code (DNA).

[Gk. chroma, color + soma, body] A threadlike, gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins. See chromatin.

Self-replicating structure consisting of DNA complexed with various proteins and involved in the storage and transmission of genetic information; the physical structure that contains the genes.

Rodlike or stringlike body found in the nucleus of the cell that is darkly stained by chrome dyes.  The chromosome contains the genes.

Threadlike structure in every cell nucleus that carries the inheritance factors (genes) composed of DNA (deoxyribonucleic acid, the gene material) and a protein (usually histone). A human cell normally contains 46 chromosomes, or 22 homologous pairs and 1 pair of sex chromosomes; one member of each pair of chromosomes is derived from each parent.

1889, from German Chromosom, coined 1888 by German anatomist Wilhelm von Waldeyer-Hartz (1836-1921), from Latinized form of Greek khroma "color" (see chroma) + -some (3)). So called because [..]

strand of DNA and associated proteins in the nucleus of cells that carries the organism's genetic information.

A chromosome is an organized package of DNA found in the nucleus of the cell. Different organisms have different numbers of chromosomes. Humans have 23 pairs of chromosomes--22 pairs of numbered chromosomes, called autosomes, and one pair of sex chromosomes, X and Y. Each parent contributes one chromosome to each pair so that offspring get half of [..]

Chromosomes are packages of DNA found in the nucleus of cells. Humans have 46 chromosomes. 8 Animation, 8 Bio; 9 Animation, 9 Video, 9 Bio; 10 Animation, 10 Video, 10 Bio; 11 Animation, 11 Video, 11 G [..]

Linear piece of eukaryotic DNA, often bound by specialized proteins known as histones.

Chromosome refers to the structure in the cell composed of a very long molecule of DNA and associated proteins called histones. At SGD, if a locus has been physically mapped, the chromosomal coordinates will appear on the Locus Summary page. There are 16 chromosomes in S. cerevisiae. The Genomic View is a graphic representation of the entire yeast [..]

A microscopic element in the cell nucleus of the daylily in which all the plant characteristics are inherited. Diploid daylilies contain 22 chromosomes in each cell; tetraploid daylilies contain 44 chromosomes in each cell.

Gene carrying structure found in cells

A long chain of DNA with its associated protein molecules. Segments of the DNA function as genes. One or more chromosomes are found in the nucleus of eukaryotic cells, and a single circular chromosome [..]

A threadlike structure within each living cell which contains the cell's genetic material.

a long, threadlike structure that carries the bearer's genetic code (DNA), among other things. Humans have 23 pairs of chromosomes, 46 in all: 44 autosomes and two sex chromosomes, the X (female) and less complex Y (male). Offspring acquire half their chromosomes from the biological mother and half from the biological father. Each chromosome i [..]

A chromosome is a structure found in the nucleus of a cell that contains genetic material. Humans have 23 pairs of chromosomes: 22 pairs of autosomes and one pair of sex chromosomes.

A chromosome is a single, long molecule of DNA. Chromosomes are highly organized structures that store genetic information in living organisms

Rodlike structure that appears in the nucleus of a cell during mitosis; contains the genes responsible for heredity. Structure composed of a very long DNA molecule and associated proteins that carries part (or all) of the hereditary information of an organism. chronic effects

a thread-like structure in the nucleus of a cell, containing a linear sequence of genes.

An organized structure of protein and DNA found in cells. Contains the genetic material that is passed on to offspring.

(Gk: chromos/ chromatos= colour; soma= body; referring to the coloured part in a transparent cell) a microscopic thread-shaped body which carries genes. Numbers of chromosomes occur in the nucleus of [..]

a long, threadlike association of genes in the nucleus of all eukaryotic cells and most visible during mitosis and meiosis. Chromosomes consist of DNA and protein.

A structure in the cell nucleus that carries DNA

a long, stringy aggregate of genes that carries heredity information (DNA) and is formed from condensed chromatin.

The physical unit of genetic material in a cell. Prokaryotes have usually one large circular chromosome and one or more small circular extra-chromosomal DNA (plasmids). Eukaryotic cells have often several to several dozen chromosomes. Humans have 46 chromosomes comprising two sets of 23 chromosomes. Each set constitutes the complete human Genome ca [..]

regions that are loosely packaged and more accessible to RNA polymerases than HETEROCHROMATIN. These regions also stain differentially in CHROMOSOME BANDING preparations.  MeSH, 2001

material that remains condensed and is transcriptionally inactive during INTERPHASE. MeSH, 1972

which has a specialized structure and which is involved in chromosomal replication and stability. Its length is believed to be a few hundred base pairs. MeSH, 1992    Involved in aging and senescence.

The condensed form of chromatin

A complex of condensed strands of DNA and associated protein molecules; found in the nucleus of cells.

A thread-like structure, visible in the cell nucleus during metaphase, that carries the hereditary information.

A long, continuous length of DNA

A unit of genetic material (chromatin) in which the genome is arranged.  The mouse has 20 pairs of chromosomes, including 19 autosomal pairs and the X and Y chromosomes. 

One of the thread-like structures located within the cell nucleus composed of an extremely long, double-stranded DNA (deoxyribonucleic acid) helix tightly folded around proteins called histones

A single piece of coiled DNA and DNA-bound proteins (histones) containing many genes, regulatory elements and other nucleotide sequences.

a structure in the cell nucleus of eukaryotes (the chromosome of prokaryote cells is not bounded by a nuclear membrane). Each chromosome consists of a very long DNA molecule with various proteins, par [..]

Found inside the cell nucleus, a recognizable structure comprising chromatin-containing genes, regulatory elements and other nucleotide sequences. In humans, each cell nucleus contains 23 distinct pairs of chromosomes.

A structure in the cell nucleus that carries DNA

threadlike structure of tightly bundled DNA and protein that contains genetic information

Part of a cell that contains genetic information. Except for sperm and eggs, all human cells contain 46 chromosomes.

long strands of DNA found inside the cell nucleus. Human cells each contain 23 pairs of chromosomes, inherited from our parents.

A large package of DNA found in cells. It contains a set of genes and other DNA elements. Humans have 46 (23 pairs).

A visible carrier of the genetic information.

The self-replicating genetic structure of cells, containing genes, which determines inheritance of traits. Chemically, each chromosome is composed of proteins and a long molecule of DNA.

A structure found in the cell nucleus that carries the genetic information in humans and animals. It is composed of a long strand of DNA that is greatly condensed for storage. Humans have 46 chromosom [..]

thick, rod-like object found in the nucleus that directs the activities of the cell and passes on the traits of the cell to new cells. chromosphere

Determines the inheritance of traits; made up of  proteins and a molecule of DNA combined in a long, threadlike structure.

One of the physically separate segments that together forms the genome, or total genetic material, of a cell. Chromosomes are long strands of genetic material, or DNA, that have been packaged and comp [..]

The DNA in a cell is divided into structures called chromosomes. Chromosomes are large enough to be seen under a microscope. In humans, all cells other than germ cells usually contain 46 chromosomes: [..]

(n) a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order

A DNA molecule that contains genes arranged end-to-end. 

A threadlike structure, found in the nucleus of each cell, that carries almost all of a cell's genes.

Strands of DNA compressed and organized into a double helix structure. Humans typically have 23 pairs of chromosomes.

A strand of DNA and related proteins that carries the genes and transmits hereditary information.

Structure in the nucleus of the cell that contains the genes

DNA material that carries the genetic information or basic plan for the development of the fetus. Each sperm cell and each egg contain a single set of twenty-three chromosomes.

In eukaryotes, the structural unit of the genetic material consisting of a single, linear double-stranded DNA molecule and associated proteins. During mitosis, chromosomes condense into compact struct [..]

This is a structure in the nucleus of the cell composed of deoxyribonucleic acid (DNA) andprotein; the chromosome forms the basis of heredity and carries genetic information in DNA in the form of sequ [..]

a structure in the nucleus of a cell that contains genes. Chromosomes are composed of DNA and associated proteins. Normal human cells contain 46 chromosomes (22 pairs of autosomes and 2 sex chromosome [..]

In a Prokaryotic Cell or in the nucleus of a Eukaryotic Cell, a structure consisting of or containing DNA which carries the genetic information essential to the Cell. (From Singleton & Sainsbury, [..]

Structures within the nucleus of archaeal Cells consisting of or containing DNA, which carry genetic information essential to the Cell.

DNA constructs that are composed of, at least, Elements such as a Replication Origin; Telomere; and Centromere, that are required for successful replication, propagation to and Maintenance in progeny [..]

Structures within the nucleus of bacterial Cells consisting of or containing DNA, which carry genetic information essential to the Cell.

DNA constructs that are composed of, at least, a Replication Origin, for successful replication, propagation to and Maintenance as an extra Chromosome in Bacteria. In addition, they can carry large am [..]

Structures within the nucleus of fungal Cells consisting of or containing DNA, which carry genetic information essential to the Cell.

The large, metacentric Human Chromosomes, called group A in the Human Chromosome Classification. This group consists of Chromosome pairs 1, 2, and 3.

The large, submetacentric Human Chromosomes, called group B in the Human Chromosome Classification. This group consists of Chromosome pairs 4 and 5.

The medium-sized, submetacentric Human Chromosomes, called group C in the Human Chromosome Classification. This group consists of Chromosome pairs 6, 7, 8, 9, 10, 11, and 12 and the X Chromosome.

The medium-sized, acrocentric Human Chromosomes, called group D in the Human Chromosome Classification. This group consists of Chromosome pairs 13, 14, and 15.

The short, submetacentric Human Chromosomes, called group E in the Human Chromosome Classification. This group consists of Chromosome pairs 16, 17, and 18.

The short, metacentric Human Chromosomes, called group F in the Human Chromosome Classification. This group consists of Chromosome pairs 19 and 20.

The short, acrocentric Human Chromosomes, called group G in the Human Chromosome Classification. This group consists of Chromosome pairs 21 and 22 and the Y Chromosome.

Very long DNA molecules and associated Proteins, Histones, and Non-Histone Chromosomal Proteins (Chromosomal Proteins, Non-Histone). Normally 46 Chromosomes, including two Sex Chromosomes are found in [..]

DNA constructs that are composed of, at least, all Elements, such as a Replication Origin; Telomere; and Centromere, required for successful replication, propagation to and maintainance in progeny Hum [..]

The Human female Sex Chromosome, being the differential Sex Chromosome carried by half the male Gametes and all female Gametes in Humans.

The Human male Sex Chromosome, being the differential Sex Chromosome carried by half the male Gametes and none of the female Gametes in Humans.

Structures within the Cell Nucleus of Insect Cells containing DNA.

Complex Nucleoprotein structures which contain the genomic DNA and are part of the Cell Nucleus of Mammals.

DNA constructs that are composed of, at least, all Elements, such as a Replication Origin; Telomere; and Centromere, that are required for successful replication, propagation to and maintainance in pr [..]

DNA constructs that are derived from the DNA of Bacteriophage P1. They can carry large amounts (about 100-300 kilobases) of other sequence for a variety of Bioengineering purposes.

An aberrant form of Human Chromosome 22 characterized by translocation of the distal end of Chromosome 9 from 9q34, to the long arm of Chromosome 22 at 22q11. It is present in the Bone Marrow Cells of [..]

Complex Nucleoprotein structures which contain the genomic DNA and are part of the Cell Nucleus of Plants.

Extra large Chromosomes, each consisting of many identical copies of a Chromosome lying next to each other in parallel.

Aberrant Chromosomes with no ends, i.e., circular.

The homologous Chromosomes that are dissimilar in the heterogametic sex. There are the X Chromosome, the Y Chromosome, and the W, Z Chromosomes (in Animals in which the female is the heterogametic sex [..]

The female Sex Chromosome, being the differential Sex Chromosome carried by half the male Gametes and all female Gametes in Human and other male-heterogametic species.

The male Sex Chromosome, being the differential Sex Chromosome carried by half the male Gametes and none of the female Gametes in Humans and in some other male-heterogametic species in which the homol [..]

Chromosomes in which fragments of exogenous DNA ranging in length up to several hundred kilobase pairs have been cloned into Yeast through Ligation to vector sequences. These Artificial Chromosomes ar [..]

Chromosomes are structures in the cell nucleus that carry the DNA. They divide when the cell divides - this process is called mitosis. They can be seen through a light microscope at certain stages in [..]

A thread-like structure found within a cell. Chromosomes, which are made of DNA coiled around proteins, carry all of the genetic information essential to the life of the cell.

A threadlike linear strand of DNA in the nucleus of the cell that carries the genes and functions in the transmission of hereditary information.

The genetic material of a cell, complexed with protein and organized into a number of linear structures. It literally means “colored body,” because the threadlike structures are visible under the micr [..]

Dense strands of material in the cell nucleus that carry the individual's genetic material (DNA).

Tightly coiled strands of genes (DNA) located in the nucleus of every cell that determines the inheritance of traits.  Each chromosome has a fixed number of genes, and every species has a characteristic number of chromosome pairs – humans have 23 pairs, mice have 19 and pea plants have 7. 

Part of a cell that contains genetic information. Except for sperm and eggs, all human cells contain 46 chromosomes.

A strand of coiled DNA that is the self-replicating genetic structure of cells. The nucleus of each animal cell (except red blood cells) contains at least one chromosome, and the number of chromosomes in each cell differs from animal to animal. Humans have 23 pairs of chromosomes, including the pair of sex chromosomes (two X chromosomes for females [..]

Threadlike condensations of nucleic acid and protein in the nucleus containing the cell’s genetic material. Chromosomes appear during mitosis, having condensed from the more diffuse chromatin.

eukroytic chromosomes are "packaged" versions of gene-carrying DNA intricately folded around proteins, along with some RNA; prokaroyotic chromosomes consist entirely of DNA cilia

One of a segment of DNA that together make up the genetic information of an organism. Humans have 23 pairs of chromosomes.

 A small ‘package’ found in the nucleus (centre) of every cell in the body that contains a set of genes (DNA codes); they occur in pairs, one from the mother and one from the father, and human beings normally possess 46 chromosomes, arranged in 23 pairs

A threadlike component in cells that consists of a single long molecule of DNA coated with proteins. Genes are carried on the chromosomes.

Components in a cell that contain genetic information. Each chromosome contains numerous genes. Chromosomes occur in pairs: one obtained from the mother; the other from the father. Chromosomes of diff [..]

A structure made up of DNA and proteins that contains genes which are passed from parents to their offspring.

In a cell with a nucleus, most of the the genes

One of the threadlike 'packages' of genes and other DNA in the nucleus of a cell. Different kinds of organisms have different numbers of chromosomes. Humans have 23 pairs in all: 44 autosome [..]

One of the linear or sometimes circular DNA-containing bodies of viruses, prokaryotic organisms, and the cell nucleus of eukaryotic organisms that contain most or all of the genes of the individual.

Organic structure that carries an organism's genetic code (DNA).

Normally, in genetic algorithms

The physical units of heredity; long linear strands of DNA. Humans normally have 46 chromosomes (23 inherited from Dad, 23 from Mom).

A linear end-to-end arrangement of genes and other DNA, sometimes with associated protein and RNA. The form of the genetic material in viruses and cells. A circle of DNA in prokaryotes; a DNA or an RN [..]

A threadlike structure within each living cell which contains the cell's genetic material.

An organized structure of DNA and protein that is found in cells. A diploid chromosome is a pair of sister chromatids bound by a centromere.

The self-replicating genetic structure of cells containing the cellular DNA that bears in its nucleotide sequence the linear array of genes. Chromosomes are normally found in pairs; human beings typic [..]

A structural unit within a eukaryotic nucleus that carries genes. A chromosome consists of a long, continuous strand of DNA and associated proteins. See also the entry at NHGRI's Talking Glossary of Genetic Terms.

The array of genes responsible for the determination and transmission of hereditary characteristics.

A thread-like strand of DNA and protein the nucleus of the cell that carries genetic information. Humans have 23 pairs of chromosomes in each cell of their bodies (apart from a mature egg and sperm wh [..]

A unit, located within the cell nucleus that contains all of a person's genetic information, in the form of genes.

a rod-like form of the DNA molecule containing many hundreds or thousands of genes. The nucleus contains 22 autosomal chromosome pairs as well as one pair of sex chromosomes. In addition to the DNA mo [..]

a chromosome where both chromosomes in a pair are similar. One chromosome from a chromosome pair is obtained from the father, the other one from the mother.

there are two types of chromosomes: X (female) and Y (male). Women have two X chromosomes in a pair (XX) while men have an X and a Y chromosome (XY); the Y chromosome is inherited only from the father [..]

A structural unit of genetic material consisting of a long molecule of DNA complexed with special proteins in eukaryotes, but not in prokaryotes

One of the DNA-containing structures of the cell that contain most or all of the genes of the individual.

Structures that hold our genetic material.

A thread-like structure found in the nucleus of all body cells (except red blood cells). Chromosomes are made up of strings of proteins called genes.

A structure found in the cell nucleus that contains the genes; chromosomes are composed of DNA and proteins. Each parent contributes one chromosome of each pair, so children get half of their chromoso [..]

one of (in humans) twenty-six pairs of threadlike desoxyribosenucleaic acid (DNA) structures located within the nucleus of each of the body's cells, the function of which is to transmit genetic i [..]

A chromosome is a structure in the cells of your body that contains your genes. Your genes determine your traits, such as eye color and blood type.