Haemolytic jaundice is caused due to a dominant gene but only $10\%$ of the people actually develop the disease. A heterozygous man marries a homozygous normal woman; what proportion of the children would be expected to develop the haemolytic disease

  • [AIIMS 1982]
  • A

    $1/5$

  • B

    $1/10$

  • C

    $1/15$

  • D

    $1/20$

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