I think the answer is photosystem
Answer in the gene for that characteristic cause these different forms. ... These two copies of the gene contained in your chromosomes influence the way your cells work. The two alleles in a gene pair are inherited, one from each parent. Alleles interact with each other in different ways
Answer:
the branch of science concerned with classification, especially of organisms; systematics.
Explanation:
Answer: p2 + 2pq + q2 = 1
p2 = homozygous dominant gene
2pq = heterozygous gene
q2 = homozygous recessive gene
C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.