A cell biologist produces a karyotype of mouse somatic cells arrested in mitosis.  She sees 40 chromosomes, which is completely normal for mice.  Based on this information, what is the haploid number of chromosomes for mice?

A. 20
B. 40
C. 80
D. 10
E. It cannot be determined from the information provided.


Answer: A

Biology & Microbiology

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