Multiple Choice
If the diploid number of chromosomes in mouse somatic cells is 40, how many chromosomes are present during prophase I?
A) 40, each composed of a single paternal or maternal chromosome
B) 80, each composed of a pair of homologous chromosomes
C) 20, each composed of a single sister chromatid
D) 80, each composed of a single sister chromatid
E) 40, each containing a pair of sister chromatids
Correct Answer:

Verified
Correct Answer:
Verified
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