Atall pea plant could select one: a. have the phenotype of tt b. have the genotype of tall c. have the phenotype of tt d. have the genotype of tt

It would be d) as a phenotype is the characteristic of something (e.g. tall) whilst a genotype is the gametes (the letters), so the only option that fits this is d).

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.