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Observe the following pedigree chart & select the correct option:

Option: 1

It shows inheritance of X-linked recessive disorder


Option: 2

It shows inheritance of X-linked dominant disorder


Option: 3

Genotype of I-1 is xx


Option: 4

Genotype of II-2 is X^{*}X^{*}


Answers (1)

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Since the unaffected parents are giving birth to the affected child, the pedigree is recessive. But, it is also seen that the trait is more common in males compared to females. Hence it is x-linked recessive.

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Rishi

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