Question 1 A sperm joins with the egg and their nuclei fuse to form a zygote. The zygote will begin dividing by mitosis to form many (smaller) cells. We call this process in development ________ and the resulting mass of smaller cells is called a ________. Question 2 While the newly-fertilized egg is still in the uterine tube (also known as fallopian tube) it begins dividing into many smaller cells. These cells will then float up to the outside of a fluid-filled ball. This embryonic stage is known as the ________.
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Step 1: The process in development where a sperm joins with the egg and their nuclei fuse to form a zygote is called cleavage. Show more…
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The cell formed after fertilization of an egg by a sperm is called a gamete cell; zygote; egg cell.
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