How do we know the oxygen released in photosynthesis comes from water?

Write the balanced chemical equation forphotosynthesis.

Atest cross can be used to -predict the phenotypes of a monohybrid cross -predict an unknown genotype of a purebred dominant plant -cross-breed dominant and recessive plants -give probabilities that a trait will appear

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.