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by: shinta, 20 pages
Cloning may seem to be a relatively recent laboratory phenomenon, but the word itself derives
from antiquity: the Greek word klwn for “twig”. Initial use of the term applied to ...
by: theo, 49 pages
Human Growth and Reproduction Sperm reach ovum and cluster around it Only one sperm is allowed to penetrate egg When the sperm penetrates the egg, the egg ...