PATHOLOGY MCQ
GENETICS AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If a couple has five boys, the probability that the next child will be a boy is ____
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0%
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25%
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50%
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75%
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Explanation:
Detailed explanation-1: -Answer and Explanation: Therefore, the probability of exactly 5 boys is 0.1014. Therefore, the probability of exactly 4 boys is 0.2436. See full answer below.
Detailed explanation-2: -Expert Answer The couple has 5 children. The couple’s chances of having a boy are 0.5, and their chances of having a girl are 0.5. The probability of a couple having at least one boy is 0.1562.
Detailed explanation-3: -Since sperm are equally divided into X and Y chromosome sperm, the chances of having a boy or a girl should be equal. So why do some families have all girls or all boys? Each time a sperm meets an ovum, there is a 50% chance that it will make a boy and a 50% chance that it will make a girl.
There is 1 question to complete.