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Question: Zebrafish are increased in fish tanks with one family per tank. The mutation spadetail is a recessive lethal. A stock tank for spadetail was made by crossing two carriers. The fish in the stock have grown up, and you are faced with identifying new carriers from the tank using random […]

Vinblastine is a pharmaceutical used to treat several cancers, such as lung and breast cancer and Hodgkin’s lymphoma. It binds tubulin, a protein found in microtubules of the cytoskeleton, and prevents the proper formation of the mitotic spindle and the kinetochore. Cancer cell reproduce very rapidly, the drug is used […]

Q1. An adolescent smoker might think lung cancer only happens to old people. This is an example of which construct of the Health Belief Model? Q2. Many larger rivers in the Colorado Plateau region meander in deep, narrow canyons and have no floodplains. How could this occur? Q3. Why does […]

Question: The generalized-transduction phage P1 is grown in a pur- pro+ thi+ donor strain. A recipient strain that is pur+ pro- thi- is infected and the donor allele thi+ is selected after transduction. 100 thi+ transductants are then scored for the other alleles. The results are shown below: pro+ pur- 94 […]