NEET Solved Paper 2014 Question 75
Question: A man whose father was colourblind marries a woman, who had a colourblind mother and normal father. What percentage of male children of this couple will be colourblind? [AIPMT 2014]
Options:
A) 25%
B) 0%
C) 50%
D) 75%
Show Answer
Answer:
Correct Answer: C) 50%
Solution:
- The man is colour blind ( X^c \Y) since his father was colour blind. The woman is also a carrier (XXc) since her mother was colour blind. Their male children have a 50% chance of being colour blind ( X^c \Y)) and a 50% chance of being normal (XY).
BETA
