Question

"..when a colour blind male marries a normal female, a children will be normal but daughters will be colour blind carriers.." Explain..⭐

Answer 1

heya..........

I’m assuming that by “normal” you mean “not color-blind”, and that you’re asking about whether the children will be color-blind or not.

Color-blindness is carried on the X chromosome. Men, being XY, will either be color-blind or not. Men cannot be carriers. Women, being XX, can be color-blind (if both X chromosomes carry the color-blindness gene), carriers (if only one of their X chromosomes carries the gene), or completely free of the gene.

So, we know that the woman is not color-blind, but that her father was. This means she is a carrier of the gene. She marries a man that is not color blind, and thus doesn’t carry the gene at all. If they have children:

If they have a son, that son will have a 50% chance to be color blind.If they have a daughter, that daughter will have a 50% chance to be a carrier.

this a case of If a normal woman, whose father is color-blind, marries a normal man, what will the children be...  

but in ur case there is no probability happen because no one share there common ancestry so answer is 0% chances to son are colour blindness


tysm.............@kundan