Pea plants have two traits: round or wrinkled seeds, and tall or short stems.

Round and tall are dominant, while wrinkled and short are recessive.

Two parent plants are crossed. One is heterozygous for both traits, the other is homozygous dominant for seed shape, and homozygous recessive for stem height.

What are the genotypes of the two parent plants? Use R or r for seed shape, and T or t for stem height.

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c. carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit