問題詳情
63. Which one of following statements is FALSE?
(A) In a species that has a chromosome number of 2n = 16, each cell has eight homologous pairs.
(B) An error in either egg or sperm meiotic anaphase might result in a human zygote with 45 chromosomes.
(C) Single, haploid (n) sets of chromosomes in ovum and sperm unite during fertilization, forming a diploid (2n),single-celled zygote.
(D) At sexual maturity, ovaries and testes produce diploid gametes by meiosis.
(E) If a cell of a usually diploid species with 42 chromosomes per cell is triploid, this cell would be expected to have 63chromosomes in 21 sets of 3.
(A) In a species that has a chromosome number of 2n = 16, each cell has eight homologous pairs.
(B) An error in either egg or sperm meiotic anaphase might result in a human zygote with 45 chromosomes.
(C) Single, haploid (n) sets of chromosomes in ovum and sperm unite during fertilization, forming a diploid (2n),single-celled zygote.
(D) At sexual maturity, ovaries and testes produce diploid gametes by meiosis.
(E) If a cell of a usually diploid species with 42 chromosomes per cell is triploid, this cell would be expected to have 63chromosomes in 21 sets of 3.
參考答案
答案：D
難度：適中0.541667
統計：A(2),B(1),C(1),D(13),E(2)
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