“It is a matter of chance whether a couple will give birth to a boy or a girl.” 3 mark qn
no jokes plz
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Answer:
if x sperm fuses X ovum then it will be girl .If y sperms fuses X ovum then it will be a boy.
Explanation:
father mother
parents :. xy. x. xx
gametes :. x. y. x
progeny : xx - girl
xy- boy
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