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Published byChristopher Grady Modified over 10 years ago
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T. Trimpe 2008 http://sciencespot.net/
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Some people have dimples, while others do not. The presence of dimples is a dominant trait (D), while not having dimples is recessive (d). (1) Susie has dimples, but her husband, Tom, does not. Their first child has his father's phenotype. What are the genotypes of the mother, father, and child? Mothers Genotype: _______ Fathers Genotype: _______ Sons Genotype: _______ (2) What is the probability that a second child wont have dimples? Create a Punnett square to support your answer.
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Some people have dimples, while others do not. The presence of dimples is a dominant trait (D), while not having dimples is recessive (d). (1) Susie has dimples, but her husband, Tom, does not. Their first child has his father's phenotype. What are the genotypes of the mother, father, and child? Mothers Genotype: _______ Fathers Genotype: _______ Sons Genotype: _______ (2) What is the probability that a second child wont have dimples? Create a Punnett square to support your answer. D d dd Dd dd Dd dd There would be a 50% probability that the second child would not have dimples.
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