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In the following pedigree, the filled symbols represent the affected individuals. Indentify the type of given pedigree. (See the image) 1) X-linked dominant 2) Autosomal dominant 3) X-linked recessive 4) Autosomal recessive

In the following pedigree, the filled symbols represent the affected individuals. Indentify the type of given pedigree.
 
(See the image)
 
1) X-linked dominant
2) Autosomal dominant
3) X-linked recessive
4) Autosomal recessive

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Grade:12th pass

1 Answers

Simran Vinaik
askIITians Faculty 1230 Points
5 years ago
This trait is autosomal recessive as you can see in III generation the parents are not affected but they have affected children. This is only possible if the parents are heterozygotes and are carrying one affected allele.

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