Answer:
They used artificial selection
Explanation:
Breeding animals who had desirable or good traits. For example, they bred cows who produced the most milk and plants that produced the most vegetables. :))
<span>A. Restriction enzymes would be used to cut the DNA into smaller pieces. The first step in DNA manipulation for genetic engineering is </span>to choose the piece of DNA from a source. Restriction enzymes are used in cutting these DNA pieces.
Answer:
B. Endophytes that produce toxins can be poisonous to grazing animals.
