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4.Principles of Inheritance and Variation
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A normalvisioned man whose father was colour blind, marries a woman whose father was also colourblind. They have their first child as a daughter. What are the chances that this child would be colour blind ?
A
$1$
B
Zero percent
C
$0.25$
D
$0.5$
(AIPMT-2012)
Solution
(b): In the given condition the chances of childto be colourblindis zero percent. It can be understoodby the given cross :
Standard 12
Biology
