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Question: the complete absence of o humans however more se ne...

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The complete absence of o humans However, more se ne or more teeth (tooth agenesis) is a common trait in -indeed, more than 20% of humans lack one or more of their third molars. vere absence of teeth, defined as missing six or more teeth, is less common and frequently an inherited condition. L. Lammi and colleagues examined tooth agenesis in the Finnish family shown in the pedigree below (L. Lammi. 2004 American Journal of Human Genetics 74:1043-1050). The affected status of 1-1 and I-2 is unknown. 2 6 2 digree adapted from L. Lammi. 2004. American Journal of Haman Genetics 74:1043-1050] A. What is the most likely mode of inheritance for tooth agenesis in this family? Explain your reasoning B. Are the two sets of twins in this family monozygotic or dizygotic twins? W is the basis of your answer? If IV-2 married a man who has a full set of teeth, what is the probability t their child would have tooth agenesis? C.
D. If 11I-2 and IIl-7 married and had a child, what is the probability that their child would have tooth agenesis?
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