QUESTION 4 A mating between a male donkey (2n 62) and a female horse (2n - 64) p

Question

QUESTION 4 A mating between a male donkey (2n 62) and a female horse (2n - 64) produces sterile mules. Why are mules sterile? O Mules have a n1 + n2-63 chromosome set that is unable to proceed through meiosis normally Nondisjunction of a single chromosomes produces the aneuploid hybrid. The polyploid mule has a deficient meiosis because of having an extra set of chromosomes. While the mule has 2n-63 chromosomes, it can still produce viable gametes. However, they produce 4n-126 offspring that are unable to survive. None of the above can explain the sterility of mules.

Explanation / Answer

Option 3rd thepolyploidy muke has a deficient meiosis because of having an extra set of chromosomes in this way they have no proper gametes

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