Tom and Jesse decided to perform an experiment to see what exercise does to blood pressure. They decided to test their friend John. Below is their procedure. 1. Take test subject's resting blood pressure. 2. Have test subject do either sit ups, push ups, or sprint for one minute. 3. Take test subject's blood pressure. Tom and Jesse run the same tests on John every day for one week. Running the same test, for one week, is an example of A) validity. B) a control. C) repetition. D) replication. Submit Hint Nature of Science (SC.7.N.1.2) Replication And Repetition ID: 85954

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

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

What makes a dominant allele different from a recessive allele