Question

A normal son of haemophilic father marries a daughter of a haemophilic father. State the possibility of first-born daughter child.

50%,100%,0%,25%

Answer 1

Hemophilia is a x linked disease so son of haemophilic father is normal but daughter is carrier... So normal male and haemophilic female has 50% chance of first born daughter child......

Answer 2

so the male will be normal as xy

and the female will be carrier or haemophiliac based on her mother.

so her daughter may be a carrier or normal

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