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BiologyBiology
13 May, 09:37

Barney and Betty are about to have their first child. They both have "normal" feet but Barney's father has flat feet and Betty has a child from a previous marriage who has flat feet, meaning they are both heterozygous for the trait. What is the probability that they will have a boy with flat feet (recessive trait) ? 25% 75% 100% 50%

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  1. 13 May, 10:35
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    Genotype for Barney and Betty: Ff (hybrid/hetero)

    possible genotypes of offsprings: FF, Ff, Ff, ff

    answer: 25%
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Home » Biology » Barney and Betty are about to have their first child. They both have "normal" feet but Barney's father has flat feet and Betty has a child from a previous marriage who has flat feet, meaning they are both heterozygous for the trait.
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