Unity and Diversity A.6 Diversity of Organisms (id: c745b79af)

本题目来源于试卷: Unity and Diversity A.6 Diversity of Organisms，类别为 IB生物学

[单选题]
What type of human cell does the following karyogram reprea :bze/grb pd(dz 3;8ysent? bj mg7xl .j1l8

A. Sperm
B. Egg
C. Brain cell
D. Skin cell


参考答案:  A


本题详细解析:
Choice A is correct because there are 23 chromosomes, so it is a haploid ceov4o0 i8az8um/ d 9w)t4vy x.w5kddn) erw-hsll, and one of the sex chromosomes is the ‘Y’ chromosome. Egg cells do not have the Y chromosome. Choice B is incorrect because all egg cells have one ‘X’ sex chromosome. Choice C and choice D are incorrect because skin and brain cells are diploid, so they have twohad9) oum k5.e-sr80/8o)w nxiv twwdd 4 v4zy of each chromosome: 46 in total.

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