<span>I think the answer is A test cross can be used to: study how traits are inherited. </span>
Answer:
DNA replication needs to occur because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!
Answer:
Homeostasis
Explanation:
"ability to maintain a relatively stable internal state that persists despite changes in the world outside."
Hope this Helps
