Vernon is studying the population of deer in a tract of forest. He gathers the following data. Birth rate: ~50 deer/year Death rate: ~70 deer/year Which additional observation would support the conclusion that the deer population is NOT changing size from year to year, meaning that the net population change is 0? A. About 20 deer per year immigrate to the tract of forest. B. About 20 deer per year emigrate from the tract of forest. C. The average life span of a member of the deer population is 20 years. D. If a deer survives its first year of life, its average life span is 20 years.

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

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

What happens during the experiment stage of the scientific method