In the third generation, if the affected male marries a female who is a carrier for the trait and has two children, what is the probability that their first child is a female who is a carrier for the trait?
A: 0%
B: 50%
C: 25%
D: 100%
A: 0%
B: 50%
C: 25%
D: 100%
举一反三
- 4.3 In the third generation, if the affected male marries a female who is a carrier for the trait and has two children, what is the probability that their first child is a female who is a carrier for the trait? A: 0% B: 50% C: 25% D: 100%
- 中国大学MOOC: Who is the first female ruler of China?
- The novel Oliver Twist presents Oliver Twist as Charles Dickens' first ______ hero. A: female B: B. male C: child D: D. imaginary
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