Genetics, Molecular Biology and Evolution-Sex Chromosomes (IFS (Forests Services) Botany (Mains)): Questions 1 - 1 of 1

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Question number: 1

» Genetics, Molecular Biology and Evolution » Sex Chromosomes

Appeared in Year: 2014

Essay Question▾

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What is accounted for by Lyon’s hypothesis? Cite an example. (Paper 2 - Section A)


  • The Lyon’s hypothesis was described by Mary Lyon in 1962.

  • The Lyon’s hypothesis does not related to germ cells and explains the phenomenon of heterozygous female carries of X-lined recessive disorders showing features of the condition.

  • The Lyon’s hypothesis was also explains the phenomenon of Barr bodies.

  • The Lyon hypothesis relates to w

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