Mutations is the correct answer
Answer:
<h2> 3-2-1</h2>
Explanation:
PCR is the process of DNA duplication in vitro. We can make millions of copies of DNA in a very short period.
PCR completed in three steps; as in question these are
Step 1: Denaturation; Heat separation of strands of target DNA.
Step 2: Annealing; as complementary base pairing between primers and target DNA.
Step 3: Extension; Addition of DNA nucleotides by Taq DNA polymerase.
I don’t know the answer to this question
Answer:
The answwer is letter E.
Explanation:
Embryos. Because land plants evolved from aquatic green algae. The transition was easy because of the amount of traits that allowed the survival of the specie. One of these traits was the embryo, which is so essential that every land plants are known as embryophytes.