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A normal - visioned man whose father was...

A normal - visioned man whose father was colourblind. Theiy have their child as a daughter. What are the chances that this child would be colourblind?

A

1

B

0

C

0.25

D

0.5

Text Solution

Verified by Experts

The correct Answer is:
B
Colour blindness is an X-linked disease. So, woman whose father was colourblind will be carrier for the disease
So, possiblity of a colourblind daughter,i.e. XcXc in Fi-generation is 0%
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ARIHANT NEET-HUMAN GENETICS-Chapter Exercise (c) Medical entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)
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  10. A hereditary disease which is never passed on from father to son is :

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  11. Absence of one sex chromosome causes

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