What is the risk of color blind child in a family if father is color blind but mother is normal?
اگر باپ کلر بلائنڈ ہے لیکن ماں نارمل ہے تو خاندان میں کلر بلائنڈ بچے کا کیا خطرہ ہے؟
Answer: 50%
Explanation
If the male is colorblind but the mother is normal then there is a 50% chance to reproduce the colorblind disease progeny and 50% other.
Colorblindness is an X-linked chromosome (criss-cross inheritance)
The man has XY chromosomes (1 X chromosome)
and female having XX chromosome (2 X chromosome).
