What is the probability that their next child will a taster

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In humans, differences in the ability to taste phenylthiourea are due to a pair of autosomal alleles. The inability to taste is recessive to ability to taste. A child who is a nontaster is born to a couple who can both taste the substance. What is the probability that their next child will be a taster? A nontaster?

Reference no: EM1397181

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