What is the probability of a son inheriting an X-linked recessive disorder if his mother is a carrier?

Practice question

Question

What is the probability of a son inheriting an X-linked recessive disorder if his mother is a carrier?

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Explanation

A son has a 50% chance of inheriting an X-linked recessive disorder from a carrier mother, as he receives one X chromosome from his mother. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

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