本题目来源于试卷: Continuity and Change D.4 Cell & Nuclear Division，类别为 IB生物学
[单选题]
In the cells of a horse (E. ccn0tx wce3b0+aballus) during prophase I of meiosi( p5gm0 c/chnds I there are 64 (c5nh 0/c gmpdchromosomes. What is the haploid number of chromosomes?
A. 64
B. 128
C. 32
D. 16
参考答案: C
本题详细解析:
Cells in prophase I of meiosis I have the diploid number of chromosomes. Thus 64 is the diploid number. The haploid number is half the diploid number. Half of 64 is 32. Choice C is correct. Choice A is incorrect as 64 is the diploid number of chromosomes. Choice B is incorrect as it is double the diploid number of chromosomes. Choice D is incorrect as it is half the haploid number.
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