4.6.1 - Sex Determination in Humans
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Practice Questions
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What determines the sex of a child?
💡 Hint: Think about which parent contributes the X or Y chromosome.
What are autosomes?
💡 Hint: What pairs do not involve X or Y?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What chromosomes do males have?
💡 Hint: Think of how many X's and Y's are present.
True or False: Females determine the sex of the child.
💡 Hint: Consider which parent contributes the Y chromosome.
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Challenge Problems
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A couple has two children, both boys. What is the probability that their next child will be a girl?
💡 Hint: Consider that each pregnancy is an independent event.
Design a simple genetic cross diagram showing a mother with genotype XX crossed with a father with genotype XY. What are the possible offspring?
💡 Hint: Ultimately this is a classic Punnett square outcome.
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