Which part of an amino acid gives it its unique properties?.

Below:

Explanation:

The side chain of an amino acid is what gives the amino acid its unique chemical properties. All 20 naturally occurring amino acids are different from one another in the atoms that compose the side chain, which gives individual amino acids their unique chemical properties.

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It's Muska

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.