What is a balanced equation in genetics for sex-determination cross XX × XY?
Aall XX
Ball XY
C50% XX, 50% XYCORRECT
D75% XX, 25% XY
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Why the answer is C, and why the others tempt you.
Cross XX × XY: ½ XX (female), ½ XY (male). This is why human sex ratio is ~50/50.
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