Question

What is the name of the first cell that results from either internal or external fertilization?

1. fetus
2. egg cell
3. embryo
4. zygote

Answer 1

Explanation:

The stages in order are egg cell, zygote, embryo and fetus. Zygote is what comes right after fertillization, so the answer is 4. zygote.

Answer 2

Answer: 4. zygote

Explanation: Humans provide an example of the former whereas seahorse reproduction is an example of the latter. Fertilization, is the process in which gametes (an egg and sperm) fuse to form a zygote. The egg and sperm each contain one set of chromosomes.

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