英:[dʒiˈnetik ləud]
美:[dʒəˈnɛtɪk lod]
英:[dʒiˈnetik ləud]
美:[dʒəˈnɛtɪk lod]
遗传负荷
noun
the decrease in fitness of the average individual in a population relative to the fittest genotype due to the presence of deleterious genes in the gene pool
noun
the decrease in fitness of the average individual in a population relative to the fittest genotype due to the presence of deleterious genes in the gene pool
遗传负荷
遗传负荷
又称“遗传代价(genetic cost)”。具有有害基因的特定群体的平均适合度比最适基因型组成的群体的适合度降低的比例。
The first known use of genetic load was in 1950
genetic loadnoun
the decrease in fitness of the average individual in a population due to the presence of deleterious genes or genotypes in the gene pool
1 In the proximate sense this purging of the genetic load occurs through human misery.
2 For example, how much of the Sub-Saharan genetic load in modern Egyptians is post-Roman, and how much pre-Roman?
3 In fact with plants selfing lineages achieve just this state of mutational perfection by exposing their recessive alleles and purging their genetic load (this seems less attainable with complex animals).
4 Wild populations of trees usually carry a large " genetic load ".
树木的野生群体往往具有大量的 “ 遗传负荷. ”