Two identical twin boys had different finger print. This proves that?

A. finger print is a sex-linked character
B. the genotypes of the twins are similar
C. the phenotypes of the twins are similar
D. there are morphological variations
E. there are physiological variation in the twins

Correct Answer:

Option D – there are morphological variations

Explanation

Morphological variation includes aspects of the outward appearance i.e shape, structure, color, pattern and size.