Cloning is a process by which a a virus and a bacterium may be fused into one.
b an organism that is genetically identical to another is made. c undesirable genes may be eliminated.
d many identical protein fragments are produced.

d statement

explanation:

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i guess you forgot putting it.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint