In life cycles that alternate between haploid and diploid stages, acts to reduce the number of chromosomes per cell from two sets to one set. in life cycles that alternate between haploid and diploid stages, acts to double the number of chromosome per cell from one set to two sets. in life cycles that alternate between haploid and diploid stages, acts to keep the number of chromosomes per cell the same. in animals, a single diploid cell called a divides by mitosis to give rise to all the cells of the adult body.

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.