A test cross is used<span> to determine if a group exhibiting a dominant trait is homozygous or heterozygous for that trait.</span>
Answer:
A gyre is a large system of rotating ocean currents.
Together, these larger and more permanent currents make up the systems of currents known as gyres.
Explanation:
Answer: isotopes is the answer to this question
Answer:
DNA polymeraseExplanation: