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%
A: 0%
B: 50%
C: 25%
D: 100%
举一反三
- 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
- What is the main difference between male and female gossip?
- 【单选题】生成如下数据框的语句是? weight height gender age 1 80 180 male teen 2 75 170 male teen 3 60 165 female adult 4 52 150 female adult A. X ,gender=c("male", "male", "female", "female"),age=c("teen","teen","adult","adult")) B. X ,gender=c("male", "male", "female", "female"),age=c("teen","teen","adult","adult")) C. X ,gender=c(male, male, female, female),age=c(teen,teen,adult,adult)) D. X ,gender=c("male", "male", "female", "female"),age=c("teen","teen","adult","adult"))