Normal No Spacing Heading Self Quiz How much did you learn on your journey? Perf

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Normal No Spacing Heading Self Quiz How much did you learn on your journey? Perform a self-diagnostic. (1) True or False, the movement of DNA between two organisms of the same generation is called vertical gene transfer. (2) When naked DNA is taken up into a bacterial cell, this type of gene transfer is called: b. Conjugation d. Transposition (3) When a bacteriophage moves random pieces of DNA from one host to another, it is çalled? b. Generalized transduction c. Specialized transduction d. Transposition e transformation (4) Which structure is required for conjugation to occur between bacteria? a. Flagela b. Fimbriae d. A capsule (5) Which of the following methods of gene transfer has the potential to move the largest amount of DNA, potentially even whole chromosomes? b. Transposition (6) A transposon differs from a transposa ble element based on the presence of which of the following? a. A transposon contains genes or sequences other than those needed for transposition, whereas a transposable element contains only the sequence and genes needed for transposition b. A transposon has Iinsertion sequences and a transposable element does not c. A transposon encodes transposase and a transposable element does not d. A transposon contains an origin of replication and a transposable element does not (7) Genetic engineering can be used to do all of the following except a. Modify bacteria to produce human hormones, like insulin b. Modify bacteria to degrade environmental waste like petroleum c Modify bacteria to produce toxins to kill crop-damaging insects d. All of the above are possible with genetic engineering e. None of the above are possible with genetic engineering

Explanation / Answer

1.False because in vertical gene transfer,the transfer of genetic materials from the parent to the offspring occurs.

2.Conjugation because one bacterium transfers genetic material to the other in this process.

3.Generalized transduction as the transfer of DNA from one to another by bacteriophage occurs randomly.

4.Pili as it draws two bacterias together for conjugation.

5.Transformation because it allows Recombinant DNA technology to move largest amount of DNA.

6:-C i.e

transposon has insertion sequence that is additional gene where a transposable element does not have it.

7.a i.e genetic engineering cant modify bacteria to produce human hormones like insulin.

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