If pea plants that are homozygous for round, yellow seeds (rryy) were crossed with pea plants that are heterozygous for round, yellow seeds (rryy), the expected phenotypes of the offspring would be?

Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%