3. The single locus cross with an x-linked trait. Hemophilia b is an X-linked recessive gene that was present in the British royal family. Queen Victoria and Prince Albert had four children: 1 son had hemophilia, 1 son did not, and the two daughters did not have hemophilia. a. List the possible genotypes of the sons and daughters. Use the following terminology: XH no hemophilia, Xh hemophilia. Two daughters ot Vevophiia San henophitia iY Son wfotut ot he mophilia b. Neither Queen Victoria nor Prince Albert had hemophilia. Use their phenotypes along or with the phenotypes of their children (above) to determine the genotypes of Queen Victoria and Prince Albert. Prince Albert Quean Victoria Draw the Punnett Square of this cross. С. homo th Xit XAXE X4 XA Y Xa Xa KERY KY What are the expected genotype ratios of their children? t d. e. If Queen Victoria and Prince Albert had a lot of children, what would be the expected phenotype ratio of these children (phenotype here includes whether child is boy or girl and whether they have hemophilia or not)? Girl hemophilia: ey wout hephila war hemophilia: Boy w 2; Take a different family. If they have a girl with hemophilia, what are the possible genotypes of both the girl and her parents? f. XyX XY Parents Girl g. Now consider a boy with hemophilia. What are the possible genotypes of the boy and his parents? XaY Xa Xa KaY Bay Y

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Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.