In the given human hand pedigree which character is represented and what is the probability of disease occurrence in fifth child

Options

A. Polydactyly (X- linked recessive disorder), 50%
B. Polydactyly (X- linked dominant disorder), 50%
C. Polydactyly(autosomal recessive disorder),50%
D. Polydactyly (autosomal dominant disorder),50%

Answer

D

Explanation

In this it donot skip generation thus it is a dominant trait and both male and female have equal chances of being affected thus it is autosomal dominant trait.