問題詳情
39. According to the biological species concept, for speciation to occur,_________.
(A) the number of chromosomes in the gene pool must change
(B) changes to centromere location or chromosome size must occur
(C) large numbers of genes that affect numerous phenotypic traits must change
(D) at least one gene, affecting one reproductive barrier, must change
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增