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## Latest Questions

- What is crossing over? Give its significance.
- What is recombination frequency?
- Explain how Bridges’s study of non disjunction in Drosophila helped prove the chromosome theory of inheritance.
- How did nondisjunction experiments help to prove the chromosome theory of inheritance?
- H0: pXL=0.10, pL=0.20, pM=0.40, pS=0.20, pXS=0.10 How many medium rubber bands are expected in the random sample of 450 rubber bands? A) 20 B) 40 C) 90 D) 180 E) 1,125
- The manager conducts a goodness-of-fit test to determine whether the proportions of workers of these types are identical to the population proportions of workers donating to charity, which are 50 percent for management, 30 percent for other white-collar workers, and 20 percent for blue-collar workers. Which of the following statements must be true about the sample? A) The expected number of blue-collar workers donating to charity is less than 30. B) The expected number of management workers donating to charity is 100. C) The expected numbers of other white-collar and blue-collar workers donating to charity are the same. D) The expected number of other white-collar workers donating to charity is 50. E) The combined expected numbers of other white-collar and blue-collar workers donating to charity is greater than the expected number of management workers donating to charity.