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Question: What is a gene family? what mechanisms generate them? Question: What is a SNP? What is a haplotype? How can SNP haplotypes be determined? You repeat Snyder’s experiment, but instead of determining the ability of each family member to taste PTC, you determine what alleles they carry: 2 PAV (PAV/PAV), […]

Freckles (F) and six fingers (S) are dominant alleles in humans and the genes occur on different chromosomes. If an FfSs male and an FfSs female have a WHOLE BUNCH of kids, Here are the expected ratios below. 9: freckles/ 6 fingers 3: freckles/ no 6 fingers 3:no freckles/ 6 […]

The decision about whether or not to screen for a condition can be quite controversial. However, even in the case of noncontroversial screening programs, such as blood pressure screening, there will always be factors that argue for and against the implementation of the screening program. In preparation for this week’s […]

A lab is working on drugs that disrupt cell division (a typical strategy for chemotherapy) and have developed drugs that inhibit DNA replication in tumor cells. You, being a curious grad student want to test each drug and figure out which DNA replication enzyme it targets. You grow bacteria in […]