The Arenal Volcano in Costa Rica
I believe that the correct answer is A
Explanation:
number 5 is the rough endoplasmic reticulum
Answer:
The correct answer is - Pleiotropy.
Explanation:
Pleiotropy is the number of disorders where multiple, and unrelated organ systems are affected in the body of an individual. Phenylketonuria (PKU) is the most cited example of pleiotropy in humans.
It is an inherited disorder that is caused by a deficiency of the enzyme phenylalanine hydroxylase due to mutation in the PAH gene, This enzyme is necessary to convert the essential amino acid phenylalanine to tyrosine. By this disorder, multiple organ systems are affected such as severe skin discolorations and foul odor, and other intellectual disabilities and behavioral problems.
Nonrandom mating-inbreeding or genetic drift