When a gene is turned off, It no longer provides the directions for making proteins. this means that the proteins needed to fulfill a particular job ( let’s say, tolerate lactose ) aren’t produced.
A stimulus triggers the body to create a response that feeds back to
reverse the changes caused by the original stimulus,the whole process is
known as n<span>egative feedback loop.Mark Me Brainlest Please</span>
Answer:
B) Chromosomes with new combinations of alleles are created
