AIPMT PRELIMS2006Botany-Genetics
AIPMT PRELIMS 2006 Botany Sex-linked Traits MCQ Question
Type: MCQ-conceptual-Medium-Class 12
If a colourblind woman marries a normal visioned man, their sons will be :
A
all normal visioned
B
one-half colourblind and one-half normal
C
three-fourths colourblind and one-fourth normal
D
all colourblind
Correct Answer
Option D
Detailed Explanation
Colorblindness is an X⁻linked recessive trait. A colorblind woman (XᶜXᶜ) and a normal man (XY) will have sons who receive the Xᶜ chromosome from their mother, making them colorblind.
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