Typical images of metaphase chromosome spreads.
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A. A euploid cell with 40 chromosomes. B. A hyperploid cell with 41chromosomes. C. A hyperploid cell with 43 chromosomes. D. A triploid cell with 60 chromosomes. Lines are drawn to divide the spreads into 10-chromosome blocks, with the exception of the extra chromosomes in hyperploid karyotypes, to facilitate chromosome counting.
创建时间：
2016-02-23
