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Why is a man unable to pass on a sexlinked gene to his sons? Name one such disease.

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Question

Why is a man unable to pass on a sexlinked gene to his sons? Name one such disease.

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Solution

A father passes his X chromosome to daughters and his Y chromosome to sons, so he does not pass an X-linked allele directly to a son. Haemophilia is one example.

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Chapter 6: Chromosomes, Sex-Linked Inheritance and Human Genetic Disorders - EXERCISES [Page 320]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 6 Chromosomes, Sex-Linked Inheritance and Human Genetic Disorders
EXERCISES | Q II. 21. | Page 320
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