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A colour blind man marries a woman with normal sight who has no history of colour blindness inher family. What is the probability of their grandson being colour blind ?
Options
(a) 1
(b) Nil
(c) 0.25
(d) 0.5
Correct Answer:
0.25
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The cohesive force existing between molecules of water is contributing to
- A system of classification in which a large number of traits are considered, is
- Maximum cranial capacity was in
- Incomplete double circulation is seen in
- Chlamydomonas occurs in
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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If the carrier daughter mary a normal man 50% of their grand sons will become colour blind
If carrier daughter marries a colour blind man 50% of their grand daughter will be carriers
So in both the above cases, the result shows 50% of grand sons will be colour blind which in terms of over all progress (son+daughter) come as 25% thus confirming the probability as 0.25