That's at least one of his parents are heterozygous
The incorrect one is b. different enzymes has a different optimum temperature.
RNA: AUGGUACCUUAAUGA
A=U (in RNA only. T in DNA)
C=G (in both DNA and RNA)
I believe mutation will make a population have more genetic variation. Genetic variation describes naturally occurring genetic differences among individuals of the same species. It is the difference in DNA sequences between individuals within a population. Variation permits flexibility and survival of a population in the face of changing environmental circumstances. It is considered an advantage, as it is a form of preparation for the unexpected.
It has a double-helix shape