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in Man-Chromosomal Aberrations by (46.2k points)
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What are sex-linked character and their inheritance?

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Sex-linked Inheritance:

  • The human female has XX chromosomes and the human male has XY chromosome along with 44 autosomes in both sexes.
  • The genes present on the X chromosome may express in both male and female gender and hence it is called crisscross heredity. While genes present on Y – chromosome found only in the male.
  • Genes of approximately 20 characters found on the X chromosome of human are sex-linked characters and a father can not transmit sex-linked traits (of the X chromosome) to his sons, it can be passed on to the daughters only. Some of the
  • sex-linked hereditary diseases found in human beings are as follows:
  • Colour Blindness
  • Haemophilia

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