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Right-handed helical structure of DNA that exists when little water is present. © 2005 by W. H. Freeman and Company. All rights reserved. Pierce, B. Genetics: A conceptual approach. 2nd Editio [..]

Non-living; describes a property of an environment that is purely physical or chemical, such as light, air, water, or nutrients. © 2009 Nature Education

In epidemiological studies, the probability that an individual will develop a particular condition, such as a disease or some other outcome, based on genetic profile, behavioral patterns, and/or test [..]

The arm in tRNA to which an amino acid attaches. © 2005 by W. H. Freeman and Company. All rights reserved. Pierce, B. Genetics: A conceptual approach. 2nd Edition.

Any extra chromosome in the karyotype of an organism.

Plants containing intermediate concentrations of certain chemical elements (frequently metals or metallic compounds). © 2010 by Nature Education Knowledge.

Lacks a centromere; produced when crossing over takes place within a paracentric inversion. The acentric chromatid does not attach to a spindle fiber and does not segregate in meiosis or mitosis, so i [..]

An enzymatic reaction that results in the addition of an acetyl group to a biochemical.

Commonly found in some transcriptional activator proteins, a domain that contains multiple amino acids with negative charges and stimulates the transcription of certain genes. © 2005 by W. H. [..]