Suppose that the genotype of the first parents was XBXB and XBY. What would be the genotype of their son be?

Question

anonymous · Answer

A. XBXB
B. XBXb
C. XbXb
D. XBY
E. XbY

matt101 · Answer

Which do you think?

Just to clarify, is B/b meant to be an X-linked trait?

abhisar · Answer

Hi, to find out the answer to your question lets just simply draw a punnet square for a cross between $\sf X^BX^B$ and $\sf X^BY$

abhisar · Answer

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abhisar · Answer

Now, we know that genotype of a boy is XY and that of a girl is XX. Now which one do you think from the above is a genotype of boy?