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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Why mule is sterile in nature? - Zoology

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Question

Why mule is sterile in nature?

Short Note

Solution

A female horse and a male donkey have a mule. A mule is sterile in nature because it is a hybrid offspring of a male donkey (which has 62 chromosomes) and a female horse (which has 64 chromosomes). As a result, a mule inherits 63 chromosomes, an odd number that cannot evenly pair during meiosis, the process of gamete formation. They are sterile because they can't make sperm or eggs. They have trouble making sperm or eggs because their chromosomes don't match up.

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Taxonomic Hierarchy
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Chapter 1: The Living World - Evaluation [Page 13]

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Samacheer Kalvi Zoology [English] Class 11 TN Board
Chapter 1 The Living World
Evaluation | Q 10. | Page 13
Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board
Chapter 1 The Living World
Evaluation | Q 10. | Page 13
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