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06/10/2021 8:01 pm
Topic starter
A colour blind girl is rare because she will be born only when
(1) her mother is colour blind and father has normal vision
(2) her mother and maternal grand father were colour blind
(3) parents have normal vision but grand parents were colour blind.
(4) her father and maternal grand father were colour blind
1 Answer
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06/10/2021 8:02 pm
Correct answer: (4) her father and maternal grand father were colour blind