Question

Why hemophilia is lethal for female?

Answer 1

~*HEY FRIEND*~
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HEAMOPHELIA is a X- linked autosomal dominant disease.

males have XY chromosomes and female have XX.

lethality is caused by heamophelia when both the X - chromosome of female is affected. ......I.e XhXh

if only one chromosome is affected in female then they are the carriet for disease I.e XhX

but males will always be carrier not affected by heamophelia because of presence of one Y chromosome...

Y -chromosome is not affected because ir is X- LINKED AUTOSOMAL DOMINANT DISEASE.

HOPE IT WILL HELP YOU