jìn qīn fán zhí / huì / dǎo zhì / hòu dài / chū xiàn / yí chuán jí bìng / de / gài lǜ / zēng jiā

近亲繁殖会导致后代出现遗传疾病的概率增加。

Inbreeding increases the probability of genetic diseases in offspring.