Question

Which statement best describes the potential confusion in early studies of inheritance patterns for skin color?

Answer 1

The answer is:

A) The polygenic trait appeared as incomplete dominance.

Hope it helps!

Answer 2

Melanin helps protect the skin against effects of the sun such as skin cancers  and premature aging. In African American skin, melanin provides a sun protection factor (SPF) equivalent to 13.4 compared to 3.4 in white skin and thus the former have lower incidences of skin disorders associated with exposure to the sun.