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Why isn't the inheritance of genes on sex chromosomes same as those on autosomes?

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Question

Why isn't the inheritance of genes on sex chromosomes same as those on autosomes?

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Solution

The sexes have different sex chromosomes. In particular, males have only one X chromosome and usually no matching allele on the Y chromosome, so X-linked traits show distinctive inheritance patterns.

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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. 10. | Page 320
Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 6 Chromosomes, Sex-Linked Inheritance and Human Genetic Disorders
EXERCISES | Q II. 19. | Page 320
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