Question

Transgenic animals are produced by ____?

biologists use ____ to join two DNA molecules together.
during ____, a cell takes in DNA from outside the cell.
small, circular DNA molecules that are found in bacterial cells are called ____

Answer 1

Transgenic animals are produced by injecting the desired gene into the pro-nucleus of a fertilized mouse egg.
Biologists use plasmids to join two DNA molecules together.
During transformation , a cell takes in DNA from outside the cell.
A plasmid is a small DNA molecule within a cell that is physically separated from a chromosomal DNA and can replicate independently.