A woman has a haemophilic son and three norma | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) Haemophilia is an $X$-linked recessive disorder.Since the woman has a haemophilic son $(X^hY)$,the son must have inherited the $X^h$ chromosome fr

Vedclass · Accepted Answer

$X^hX$ and $XY$

Vedclass · Answer

(D) Haemophilia is an $X$-linked recessive disorder.Since the woman has a haemophilic son $(X^hY)$,the son must have inherited the $X^h$ chromosome from his mother.Therefore,the mother must be a carrier of the haemophilia gene,meaning her genotype is $X^hX$.Since the woman also has normal children and the husband is not mentioned as haemophilic,we assume the husband is normal $(XY)$.Thus,the genotype of the woman is $X^hX$ and the husband is $XY$.

$A$ woman has a haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be

Similar Questions

Which of the following conditions,although harmful,provides resistance against infectious diseases spread by mosquitoes?

Describe the sex-linked recessive gene disorder of color blindness through pedigree analysis.

Given below is a pedigree chart of a family with five children. It shows the inheritance of attached earlobes as opposed to the free ones. The squares represent the male individuals and circles the female individuals. Which one of the following conclusions drawn is correct?

In $Huntington's$ chorea,limb movements are:

Albino condition is found in which human race?

Vedclass Test Series

Exam Paper Generator

Online Exam Module