例句 /

There is also a general lowering of vigor in inbred stock (inbreeding depression), which is especially pronounced amongst normally outbreeding populations.

There is also a general lowering of vigor in inbred stock (inbreeding depression), which is especially pronounced amongst normally outbreeding populations.

而杂合型出现的频率降低,因而降低了种群基因的潜在可变性。