Answer:
It is B
Explanation:
I had this on my test last week
The medication would be the controlled variable, the factor that remains constant.
Answer:
Restriction enzyme cuts out gene of interest, Gene is inserted into plasmid (circular) DNA of bacteria using same restriction enzymes, DNA ligase seals DNA together, Plasmid is inserted into bacteria (transformation)
The goal for both is to Change the DNA of the person with the genetic disease
A. umbilical cord is the answer