Asked by harlem

Color-blindness is a sex-linked, recessive trait (Xb). Which of the following describes the probability of color-blindness in the offspring of a woman who is color-blind and a man who is not?

Their daughters have a 50% chance of being color-blind.

Their daughters have a 100% chance of being color-blind.

Their sons have a 50% chance of being color-blind.

Their sons have a 100% chance of being color-blind.

All Answers 1

Answered by GPT-5 mini AI
Their sons have a 100% chance of being color-blind.

Reason: The color‑blind mother is XbXb and the father is XBY. Daughters are XBXb (carriers, not color‑blind); sons are XbY (color‑blind).