A type of nonrandom mating in which mating partners resemble each other in certain phenotypic characters.

Nonrandom mating on the basis of phenotype; usually refers to positive assortative mating, the propensity to mate with others of like phenotype. © 2005 by Sinauer Associates, Inc. All rights [..]

a type of mating behavior in which mates are chosen based on specific traits (e.g., attractiveness, similarity of body size etc.). Also known as assortive mating. Compare random mating.

  Mating in which the partners are chosen on the basis of phenotypic similarity.

Nonrandom mating systems in which like pairs with like. Cf.

Nonrandom choice of mates in sexual reproduction. In particular, an organism might tend to favor a mate either like itself, or different from itself. In the former case, variation within the larger po [..]

The mating of a given genotype mates with another genotype at a frequency disproportionate to that expected from random encounter

Nonrandom coupling of individuals based on resemblance of one or more characteristics.

Positive assortative mating is the tendency of like to mate with like; negative assortative mating follows the dictum that opposites attract. Mating can be assortative with respect to a certain genoty [..]

The mating of individuals with similar phenotypes.

Nonrandom mating on the basis of phenotype; usually refers to positive assortative mating, the propensity to mate with others of like phenotype.

(psychology,genetics) Between males and females of a species, the mutual attraction or selection, for reproductive purposes, of individuals with similar characteristics. * '''1922''', Frank A. Hart [..]

the mating of individuals on the criteria of reciprocally matching features, behavior, or mental characteristics.