What is selection ? Name the two methods of selection.

Name three types of natural selection.

Selection is the method of

Fatima and John appear in an interview for two vacancies for the same post. The probability of Fatimas selection is 1/7 and that of Jonhs selection us 1/5dot what is the probability that Both of them will be selected? Only one of them will be selected? None of them will be selected?

Blue-white reaction is used as a method of selection of recombinants using the following substrate:

Amit and Nisha appear for an interview for two vacancies in a company. The probability of Amit's selection is 1/5 and that of Nisha's selection is .^(1)//_(6) . What is the probability that (i) both of them are selected? (ii) only one of them is selected? (iii) none of them is selected?

A man and a woman appear in an interview for two vacancies in the same post.The probability of mans selection of 1/4 and that the womans selection is 1/3. What is the probability that none of them will be selected?

Two methods of selection in plants are

A husband and wife appear in an interview for two vacancies for the same post. The probability of husband’s selection is 1/7 and that of wife’s selection is 1/5. What is the probability that Both of them will be selected? Only one of them will be selected? None of them will selected?

A husband and wife appear in an interview for two vacancies in the same post. The probability of husband's selection is 1/5 and that of wife's selection is 1/3. What is the probability that only one of them will be selected ?