The following pedigree chart shows the inheritance of a genitically inherited disorder in human beings. What is the most likely mode of inheritance of the disorder ?

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Y-linked dominant

Autosomal dominant

X-linked dominant

X-linked recessive

answer is A.

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Detailed Solution

Autosomal dominant is a pattern of inheritance characteristic of some genetic disorders. Autosomal means that the gene is located on non sex chromosomes. Dominant means that a single copy of the mutated gene is enough to cause the disorder.

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