Biology, 19.10.2019 00:20 janiyahmcgolley
The color of a person’s eyes is determined by a single pair of genes. if they are both blue-eyed genes, then the person will have blue eyes; if they are both brown-eyed, or if one is blueeyed and the other brown-eyed, then the person will have brown eyes. the brown-eyed gene is therefore said to be dominant over the blue-eyed gene. a newborn child independently receives one eye gene from each of its parents, chosen at random from the two eye genes belonging to each parent. suppose that smith and both of his parents have brown eyes, but smith’s sister has blue eyes.
(a) what is the probability that smith possesses a blue-eyed gene? now suppose that smith’s wife has blue eyes.
(b) what is the probability that their first child will have blue eyes?
(c) if their first child has brown eyes, what is the probability that their next child will also have brown eyes?
Answers: 3
The color of a person’s eyes is determined by a single pair of genes. if they are both blue-eyed gen...
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