You are surveying a population of plants that have yellow, red, or orange flowers. Flower color is controlled by a single gene with two alleles, and it displays incomplete dominance. Plants with orange flowers are heterozygous at this locus. If you cross a plant with orange flowers to a plant with yellow flowers, the probability of getting offspring with yellow flowers is:

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?