Under development of the brain.
Muscle, hair color, height are the 3 most common physical traits affected by the environment.
A part of the destiny of lion was a part
Answer: E. Polygenic
Explanation: The color of eyes and hair is due to quantity and accumulation of pigments such melanin. Melanin is synthesize by multiple enzymatic steps and every enzyme is codified by a different gene. That means polygenic inheritance, that several genes are implicated in determined the this trait and its difficult to trace since every gene has a sequence that can vary between families or human groups.
Answer:
c
Explanation:
because, it just makes sense