Biotechnology And Its Applications Question 30

Question: Polydactyly in man is due to [J & K CET 2002]

Options:

A) Autosomal dominant gene

B) Autosomal recessive gene

C) Sex-linked dominant gene

D) Sex-linked recessive gene

Show Answer

Answer:

Correct Answer: A

Solution:

Down?s syndrme also known as Mongolian idiocy is a trisomic resulting from non-disjunction of chromosome number 21st.