- inbreeding population
- 近交群体
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
inbreeding population
Look at other dictionaries:
Inbreeding — 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 … Wikipedia
Inbreeding 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… … Wikipedia
Population density — (people per km2) by country, 2006 … Wikipedia
Population bottleneck — followed by recovery or extinction A population bottleneck (or genetic bottleneck) is an evolutionary event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing.[1] A slightly different… … Wikipedia
Population stratification — is the presence of a systematic difference in allele frequencies between subpopulations in a population possible due to different ancestry. Population stratification is also referred to as population structure. Causes of population stratification … Wikipedia
Inbreeding — The mating of two closely related persons. Also called consanguinity. * * * 1. Mating between organisms that are genetically more closely related than organisms selected at random from the population. 2. A practice of mating animals that are… … Medical dictionary
Population dynamics of fisheries — A fishery is an area with an associated fish or aquatic population which is harvested for its commercial or recreational value. Fisheries can be wild or farmed. Population dynamics describes the ways in which a given population grows and shrinks… … Wikipedia
Population size — In population genetics and population ecology, population size (usually denoted N ) is the number of individual organisms in a population.The effective population size (Ne) is defined as the number of breeding individuals in an idealized… … Wikipedia
inbreeding — n. the production of offspring by parents who are closely related; for example, who are first cousins or siblings. The amount of inbreeding in a population is largely controlled by culture and tradition. Compare: outbreeding … The new mediacal dictionary
inbreeding — noun breeding between members of a relatively small population, especially one in which most members are related … Wiktionary
Effective population size — In population genetics, the concept of effective population size N e was introduced by the American geneticist Sewall Wright, who wrote two landmark papers on it (Wright 1931, 1938). He defined it as the number of breeding individuals in an… … Wikipedia
