Unlike the female reproductive system, the male reproductive system a. produces eggs. b. is affected by hormones. c. utilizes a menstrual cycle, which is nearly 28 days long. d. is fully functional and able to produce and release active sperm after puberty. mark for review (will be highlighted on the review page)

List two modern organisms that have pentameral symmetry

Study this image which statement best describes the rock shown check all that apply

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4