Well, Assuming that this is the same multiple choice question that I have answered, I would say B. Chromosomal Disease.
<span>The answer is a
clubfoot. It is a congenital deformity of one or both of the feet in which the
foot is turned both inwardly and downwardly. It is also called as talipes or
talipes equinovarus. It is said to be in 1 out of 1000 newborns in the US in a
year.</span>