One of the factors responsible for skin color differences among races is the amount of melanin the keratinocytes produce and transfer to melanocytes.

Question

Quizplus · Accepted Answer

The primary factor responsible for skin color differences among races is the amount and type of melanin produced by melanocytes, not keratinocytes, and how this melanin is distributed in the skin. Melanocytes produce melanin and transfer it to keratinocytes, not the other way around.

One of the Factors Responsible for Skin Color Differences Among