Rename 1/4 and 1/8 using the least common denominator

Which of the following is an oxidation-reduction reaction? (pictured below)

Which molecule is called the "molecule of hereditary?

In a hardy-weinberg population with two alleles that show complete dominance, the frequency of the recessive allele is 0.4. what percentage of the population has a homozygous genotype? a) 36 b) 4 c) 40 d) 16 e) 52