Assuming that the muscles within both arms below are of the same strength, which arm would be able to lift the most weight, and why?

a

explanation:

ucd e e. rr. t t t t t t. to

the last one: artificial selection/genetic engineering

plant breeding is modifying the genetic composition of the plant - but this isn't cloning (which is specifically introducing a gene into a genome). but you are artificially selecting for the phenotype that you want.

the second one is literally genetic engineering - the gene would have been cloned first and then inserted or genetically engineered into the new plant cell (the cotton).

1) a

2)c

3)a

4)c

5)b

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