AIPMT PRELIMS2012Botany-Genetics
AIPMT PRELIMS 2012 Botany Inheritance Patterns MCQ Question
Type: MCQ-conceptual-Medium-Class 12
A normal-visioned man whose father was colour-blind, marries a woman whose father was also colour-blind. They have their first child as a daughter. What are the chances that this child would be colour-blind?
A
50%
B
100%
C
Zero percent
D
25%
Correct Answer
Option C
Detailed Explanation
The daughter has a 50% chance of being a carrier and a 25% chance of being color-blind, as color blindness is a recessive X⁻linked trait.
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