Choose true or false for the following statements. 1. Joshua Lederberg and Edward Tatum demonstrated that if they mixed together two bacterial strains with different nutritional requirements they could obtain some rare cells that had characteristics of both strains. 2. Bernard Davis showed that physical contact between the bacteria cells was not required for transfer to occur. 3. Transduction does not require the two bacterial strains to be in physical contact.

Joshua Lederberg experiment show that two bacteria stain when mixed together leads to formation of some rare cells that had characteristics of both strains is true the second statement is false, and the third statement is true.

What was Joshua Lederberg and Edward Tatum experiment?

It was earlier thought that bacteria multiply by dividing, and all bacteria have the same genetic structure. In, 1946 Joshua Lederberg and Edward Tatum experiment conducted a series of experiment to show that bacteria genetic structure also changes in the same way as reproduction in complex organisms.

The following statements:

1. Joshua Lederberg and Edward Tatum demonstrated that if it mixed with two bacterial strains with different nutritional requirements, they could obtain some rare cells that had characteristics of both strains. True

2. Bernard Davis showed that physical contact between the bacteria cells was not required for transfer to occur. False

3. Transduction does not require the two bacterial strains to be in physical contact. True

Therefore, option 1,2,3, are true, false and true respectively.

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