【已刪除】55. Which of the following statements about mitosis and meiosis in animals is correct? a) only occurs in diploid cells, b) DNA duplication occurs during prophase before mitosis and meiosis I, c) cell division occurs once in mitosis and meiosis, d) synapsis of homologous chromosomes occurs in meiosis, e) produce two (diploid) or four (haploid) daughter cells with the identically genetic background of parent cells. (A) abc (B) abd (C) acde (D) bde (E)一律給分