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in Man-Chromosomal Aberrations by (46.2k points)
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What is colourblindness?

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Colour blindness:

  • It is a hereditary disease. In this disease, the person is unable to differentiate different colours.
  • The colourblindness is of two types –
  • Red-Green colourblindness
  • Blue colourblindness
  • This disease is mainly found in men because males have only one X chromosome. If X – chromosome contains recessive allele of pigment formation gene than no cone formation takes place and man suffers from colour blindness. While two X – chromosomes are found in a woman and hence woman may be a carrier of this disease or may suffer from this disease.

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