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A mutation has occurred in one chromosome of a spermatogonium. This mutation will show up in how many of the gametes produced from this cell?

A. None
B. Two
C. All Four
D. Cannot be determined

I believe it is 2....If the mutation occurs in the spermatogonium it is before duplication of the chromosomes...So then both sister chromatids are mutants and each will end up in one gamete, thus producing 2 sperm cells with the mutated chromosomes (of the 4 total). Is my way of thinking through this correct?

  • Biology -

    I thought the exact same thing.

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