outbreeding
21heredity — /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… …
22Inbreeding — is breeding between close relatives, whether plant or animal. If practiced repeatedly, it leads to an increase in homozygosity of a population. A higher frequency of recessive, deleterious traits in homozygous form in a population can, over time …
23Heterosis — Not to be confused with Heterozygosity, or with Heterotic string theory. See also: Heterozygote advantage A mixed breed dog Heterosis, or hybrid vigor, or outbreeding enhancement, is the improved or increased function of any biological quality in …
24Conservation genetics — For molecular conservation in genetics see: conservation (genetics). For the scientific journal Conservation Genetics, see Conservation Genetics (journal). Part of a series on Genetics Key components Chromosome DNA& …
25List of genetics-related topics — This is a list of terms related to genetics. NOTOC # * 3 end * 5 end A * Acentric chromosome * Achondroplasia * Active site * Adam s Curse * Adaptation * Adenine * Adenosine * Adenovirus * Adenosine diphosphate (ADP) * Ala * Alagille syndrome *… …
26Inbreeding depression — is reduced fitness in a given population as a result of breeding of related individuals. Breeding between closely related individuals, called inbreeding, results in more recessive deleterious traits manifesting themselves. The more closely… …
27Extinction vortex — Extinction vortices are a class of models through which conservation biologists, geneticists and ecologists can understand the dynamics of and categorize extinctions in the context of their causes. Developed by M. E. Gilpin and M. E. Soulé in… …
28Consanguinité — La consanguinité est définie comme étant le résultat d’une reproduction sexuée entre deux individus apparentés (c est à dire ayant un ou plusieurs ancêtres communs). Pour un descendant donné, elle est d’autant plus importante que le lien de… …
29inbreeding — /in bree ding/, n. Biol. the mating of closely related individuals, as cousins, sire daughter, brother sister, or self fertilized plants, which tends to increase the number of individuals that are homozygous for a trait and therefore increases… …
30pollination — /pol euh nay sheuhn/, n. Bot. the transfer of pollen from the anther to the stigma. [1870 75; POLLINATE + ION] * * * Transfer of pollen grains in seed plants from the stamens, where they form, to the pistil. Pollination is required for… …
