Answer :

When a sperm and an egg combine, a zygote is first formed as a single cell structure. The baby's sex and genetic composition are already determined at this point.

After 14 days of development, what is a zygote called?

The zygote's cell divides repeatedly until it finally forms the blastocyst, a hollow ball of cells. Before implanting in the inner lining of their uterine wall, the blastocyst resides in their uterus for a few days (endometrium). It continues to produce new cells that divide into layers.

What is the name of the zygote in week 4?

when you are four weeks pregnant with your baby. The fertilized egg, also known as a blastocyst, begins to divide itself at the time of conception. It will have 200 cells and be roughly 4-5 mm across by the end of this week.

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