4.Principles of Inheritance and Variation
medium

એક પુરુષ જેના પિતા રંગઅંધ હતા તે એવી સ્ત્રી સાથે લગ્ન કરે છે જેને રંગઅંધ માતા અને સામાન્ય પિતા છે. આ યુગલના નર બાળક રંગઅંધ થવાના કેટલા ટકા સંભાવના છે?

A

$0.25$

B

$0$

C

$0.5$

D

$0.75$

(NEET-2014)

Solution

(c) : It is given that the man had colour blind father, $i.e.$, man’s genotype would be $XY$. Now, the woman had a colourblind mother and normal father, thus her genotype would be $X^cX$. A cross between them can be represented as below. Therefore, $50\%$ of male children of this couple will be colour blind.

Standard 12
Biology

Similar Questions

Start a Free Trial Now

Confusing about what to choose? Our team will schedule a demo shortly.