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35569_Ward's World+MGH Human Genetics

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Human Genetics: Test Your Understanding + ward ' s science Compare the number of chromosomes in a normal human body cell with the number of chromosomes in a normal human reproductive cell. If a male hemophiliac has a child with a female carrier, is there a possibility that their son will be a hemophiliac? Is there a possibility their daughter will be a hemophiliac? Explain your answer. Critical Thinking: Why are conservation biologists concerned with genetic drift? Critical Thinking: How could genes flow from genetically modified crops into the wider population of crops and other plants, and what effect might this have? Critical Thinking: If colorblindness is an X-linked trait, what is the probability of a colorblind male (XY) producing a colorblind child with a female (XX) who is not colorblind, and why?

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