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1. Robert, a smoker, is 52 years old. He has elevated blood pressure, in part, due to an elevated erythrocyte count. Knowing that smokers often have reduced plasma O2 levels, explain in detail (in a paragraph) why his erythrocyte count is elevated. 1-a. One treatment for hemolytic disease of the […]

Two protein kinases, K1 and K2, function sequentially in an intracellular signaling cascade. If either kinase contains a mutation that permanently inactivates its function, no response is seen in cells when an extracellular signal is received. A different mutation in K1 makes it permanently active, so that in cells containing […]

1. A child is born with blood type A-. The mother has blood type O+. The identity of the child’s biological father is in question and a blood test is the first test used to determine which of two possible men may be the father. Male #1 has blood type […]

There are 2 female black cats ( kiki & kitty) and one white male cat (boots). When kiki and boots are mated, all 7 offspring are black. However, when kitty and boots are mated, 3 of the offspring are white & 2 are black. a) Using genetic symbols indicating which […]