True statement about inheritance of an X linked recessive trait is –
Correct Answer: 50% of boys of carrier mother are affected
Description: Ans. (a) 50% of boys of carrier mother are affected(Ref: Robbins 9th/pg 141; 8th/pg 141)In a X linked recessive disorder, if father is normal & mother is a carrier:In such a situation,50% of the sons are affected50% of daughters are carriers, but none of the daughters are affectedMother transmits the disease to the sonsIn a X linked recessive disorder, if father is affected & mother is normal:In such scenario,100% of daughters are carriersFather transmits the disease to the daughters and not to sons, as all sons of an affected father are normal
Category:
Pathology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now