If an individual were heterogeneous then there would be a 50/50 chance of being either dominant or recessive. I hope this helps. :)
Amino acids are the building block of protein !!!
Answer: Serotonin
Explanation:
Serotonin is an hormone, derived from the amino acid, tryptothan. It is involved in vasodilation, sleep regulation, mood changes, capillary permeability, and causes contraction of smooth muscles like that of the stomach to signal hunger.
