Alpha helices and Beta pleated sheets make up the secondary structure of protein.
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.
A gamete of this organism will have half that number (50), the haploid number of 25 chromosomes.
Around 3-4% is the answer.
