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Lessons from Apes: We have examined ape tool use and hunting behavior and seen that females are involved in tool use, that there may be evidence of cultural variation across chimp populations, and that many human behaviors are simply elaborations on hominoid behaviors.  Using lecture materials and the videos in the […]

How does a germ cell become a gamete? So I know that the oocyte and the sperm are the female and male”germ cell”, and that the germ cells give rise to gametes, whichfuse at fertilization. What’s the process of a germ cell becomingactual “gametes”? (especially in females) Is it a […]

You are studying the expression of a proto-oncogene in a cancer cell and comparing it to expression in a non-cancer cell. You have done experiments to detect the presence of the proto-oncogene (DNA), the messenger RNA, and the protein in both cell types. Both cells have two copies of the […]

As we discussed, Rh is the most complex of the blood group types, involving at least 45 different antigens. The most clinically important antigen, D or RhO, is encoded by the gene RhD which is found on chromosome 1. Individuals that are Rh-positive have either one or two RhD genes, […]