Course Content
History of genetics
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Extra-nuclear inheritance – genes in organelles, maternal effect, criteria for extra-nuclear inheritance
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Mutation – genic, chromosomal and molecular levels
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Learn Introductory Genetics with Rahul

Single gene affecting sex determination

  • Single autosomal genes override the effects of sex chromosome.
  • Genes are generally recessive, but in some cases may be dominant.
  • Eg: Autosomal recessive transformer(tra) gene of drosophila

 

Xtra

Ytra

XTra

XTraXtra (Female)

XTraYtra (male)

Xtra

XtraXtra (Transformed male)

XtraYtra (male)

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