19. The bulldog ant has a diploid number of two chromosomes. Therefore, following meiosis, each daughter cell will have a single chromosome. In addition to mutations, how might genetic diversity be generated in this species?

(A) crossing over only

(B) independent assortment only

(C) crossing over and random fertilization

(D) nothing else

答案:登入後查看
統計: 尚無統計資料