問題詳情
55. Which of the following statements about mitosis and meiosis in animals is correct? a) only occurs indiploid cells, b) DNA duplication occurs during prophase before mitosis and meiosis I, c) cell divisionoccurs once in mitosis and meiosis, d) synapsis of homologous chromosomes occurs in meiosis, e) producetwo (diploid) or four (haploid) daughter cells with the identically genetic background of parent cells.
(A)abc
(B) abd
(C) acde
(D) bde
(E) bcd
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
用户評論
【熊熊讚】評論
原始答案為(B) ,但因為b)也是錯誤的,DNA複製應該發生在間期,最終修正為送分。c)減數分裂共有兩次分裂e)染色體套數沒有問題,但減數分裂後的四個子細胞基因不會相同。