nonrandom mating

nonrandom mating
mating in which partner selection is not independent of genotype, such as occurs with assortative mating, inbreeding, or stratification of populations into subgroups.

Medical dictionary. 2011.

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  • mating — The pairing of male and female for the purpose of reproduction. assortative m. selection of a mate with preference for (or aversion to) a particular genotype, i.e., nonrandom m.. SYN: nonrandom m.. cross m. cross. nonrandom m. SYN: assortative m …   Medical dictionary

  • assortative mating — noun mating of individuals having more traits in common than likely in random mating • Ant: ↑disassortative mating • Hypernyms: ↑coupling, ↑mating, ↑pairing, ↑conjugation, ↑union, ↑sexual union * * * …   Useful english dictionary

  • assortative mating — assortive mating nonrandom mating in which choice of a mate is influenced by phenotype. Positive assortative mating occurs when phenotypically similar mates are chosen, e.g., tall men and tall women; negative assortative mating occurs when… …   Medical dictionary

  • Hardy–Weinberg principle — for two alleles: the horizontal axis shows the two allele frequencies p and q and the vertical axis shows the genotype frequencies. Each graph shows one of the three possible genotypes. The Hardy–Weinberg principle (also known by a variety of… …   Wikipedia

  • heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… …   Universalium

  • Hardy-Weinberg law — Basic concept in population genetics discovered independently in 1908 by the great English mathematician G(odfrey) H(arold) Hardy and Wilhelm Weinberg, a physician in Germany. The Hardy Weinberg law is a cornerstone of clinical genetics. (In… …   Medical dictionary

  • assortative — adjective Date: 1897 being nonrandom mating based on like or unlike characteristics • assortatively adverb …   New Collegiate Dictionary

  • assortative — as·sor·ta·tive ə sȯrt ət iv adj being nonrandom mating based on like or unlike characteristics * * * as·sor·ta·tive (ə sorґtə tiv) characterized by or pertaining to selection on the basis of likeness or kind …   Medical dictionary

  • Rock-paper-scissors — Roshambo redirects here. For the phonetically similar name and terms derived from it, see Rochambeau (disambiguation). For the bullying practice, see sack tapping. Rock paper scissors Rock paper scissors chart Years active Chinese Han Dynasty to… …   Wikipedia

  • Hardy-Weinberg law — /hahr dee wuyn berrg/, Genetics. a principle stating that in an infinitely large, randomly mating population in which selection, migration, and mutation do not occur, the frequencies of alleles and genotypes do not change from generation to… …   Universalium

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