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Question
Which sperm-egg combination results in a female child?
Options
Y-sperm + Y-egg
Y-sperm + X-egg
X-sperm + X-egg
X-sperm + Y-egg
MCQ
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Solution
When an X-bearing sperm fertilizes an X-bearing egg, the resulting zygote has the XX chromosome composition, which develops into a female child. The X chromosome from the egg combines with the X chromosome from the sperm to produce the female genotype.
shaalaa.com
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