Multiple choice

Which of the following are XY-linked hereditary disorders?

  1. Colour vision deficiency
  2. Ambras syndrome
  3. Haemophilia
  4. Retinitis pigmentosa
  5. Complete colour blindness

  1. 1 and 2

  2. 2 and 3

  3. 1 and 4

  4. 3 and 4

  5. 4 and 5
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This option is correct because retinitis pigmentosa is an XY-linked hereditary, degenerative eye disease that causes severe vision impairment and often blindness. Complete colour blindness is a severe vision imparement, leaving a person completely unable to distinguish any colour. It is an XY-linked hereditary disease.

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