- progeny selection
- selection of breeding stock by making test matings and observing the offspring.
Medical dictionary. 2011.
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selection — selectional, adj. /si lek sheuhn/, n. 1. an act or instance of selecting or the state of being selected; choice. 2. a thing or a number of things selected. 3. an aggregate of things displayed for choice, purchase, use, etc.; a group from which a… … Universalium
Selection methods in plant breeding based on mode of reproduction — This article discusses Selection methods in plant breeding based on mode of reproduction. Some plants reproduce by (more or less strict) self fertilization where pollen from a plant will fertilise reproductive cells or ovules of the same plant.… … Wikipedia
selection — The combined effect of the causes and consequences of genetic factors that determine the average number of progeny of a species that attain sexual maturity; phenotypes that are lethal early in life ( e.g., Tay Sachs disease), that cause … Medical dictionary
Selection coefficient — In population genetics, the selection coefficient is a measure of the relative fitness of a phenotype. Usually denoted by the letter s , it compares the fitness of a phenotype to another favoured phenotype, and is the proportional amount that the … Wikipedia
Natural selection — For other uses, see Natural Selection (disambiguation). Part of a series on Evolutionary Biology … Wikipedia
Sexual selection — This article is about the evolutionary concept. For the selection of the sex of offspring, see sex selection. Goldie s Bird of paradise: Ornamented male above; female below. Paradesia decora by John Gerrard Keulemans (d.1912) Sexual selection, a… … Wikipedia
natural selection — the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than… … Universalium
natural selection — n. in evolution, the process by which those individuals (of a species) with characters that help them to become adapted to their specific environment tend to leave more progeny and transmit their characters, while those less able to become… … English World dictionary
K-selection — /ˈkeɪ səlɛkʃən/ (say kay suhlekshuhn) noun a form of natural selection in ecological conditions that are stable, constant and predictable, where rapid population growth is unimportant and progeny is characterised by slow development, long life,… … Australian English dictionary
r-selection — /ˈa səlɛkʃən/ (say ah suhlekshuhn) noun a form of natural selection in response to ecological conditions that are unstable, variable and unpredictable, where rapid population growth is crucial and progeny are characterised by fast development,… … Australian English dictionary