A female married to a normal male but her father had vitamin D resistant rickets. So what are the chances that her childrens will be colour blind: March 2013
Ans. B i.e. 50% X-linked dominant are transmitted by an affected heterozygous female to half her sons and half her daughters and by an affected male parent to all his daughters but none of his sons, if the female parent is unaffected.
0%
50%
75%
100%