Answer:
Gel electrophoresis is a technique used to separate DNA fragments according to their size. DNA samples are loaded into wells indentations at one end of a gel, and an electric current is applied to pull them through the gel. DNA fragments are negatively charged, so they move towards the positive electrode. Really easy
Explanation:
Answer:
d
Explanation:
look at it it's all over the place
volume of a sphere=(4/3)πr³
the answer is the first one: by producing random changes in an organism's genetic code
