Inbreeding increases homozygosity so that deleterious recessive genes are expressed more often in the phenotype, and decreases heterozygosity and hence the potential genetic varability of the population.
Inbreeding increases homozygosity so that deleterious recessive genes are expressed more often in the phenotype, and decreases heterozygosity and hence the potential genetic varability of the population.
近亲交配使纯合体几率增加，因此，一些有害的隐性基因可以被表达。