What is another name of a chain of amino acids

Amino acids are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins.

Explanation:

These polymers are linear and unbranched, with each amino acid within the chain attached to two neighboring amino acids.

the child will have heterozygous dominant chromosomes as characters of his father are dominant over the characters of his mother.

the child is heterozygous