When excess amino acids are consumed, the amino acids that are not required for muscle building, energy, or growth of other tissues is: ?

Solution:

When excess amino acids are consumed, the amino acids that are not required for muscle building, energy, or growth of other tissues  are  nine essential amino acids are: histidine, isoleucine,leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

Thus this is the required answer.

a and b

you know they are heterozygous for a trait because they have it as jj or jj.