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Early Embryonic Development Quiz: Zygote to Morula

This assessment explores the early stages of human development, focusing on key concepts such as cleavage, morula formation, and the exponential growth of cell numbers. It evaluates understanding of the transformation from a...

Questions: 20 | Attempts: 24 | Last updated: Mar 6, 2026

Sample Question 1
What is a zygote in the context of human development?

A single diploid cell formed by the fusion of a sperm and an egg

A hollow ball of thousands of cells

A type of specialized nerve cell

The stage after the morula

A group of unfertilized eggs

Sample Question 2
The zygote is a diploid cell, meaning it contains two complete sets of chromosomes.

True

False

Sample Question 3
During the early stages of cleavage and morula formation, what happens to the overall size of the embryo?

It remains approximately the same size as the original zygote

It grows ten times larger every hour

It shrinks until it disappears

It turns into a long flat sheet

It expands to fill the entire uterus

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