Question

name two process the zygote undergoes during embryogenesis​

Answer 1

Answer:

Stage 1: The process of embryogenesis begins with an egg or ovum being fertilized by a sperm cell to form a zygote. The zygote is a single diploid cell.

Stage 2: Over the next three days, the zygote undergoes a number of cell divisions, a process referred to as cleavage.

Explanation:

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Answer 2

The zygote undergoes cleavage and gastrulation during embryogenesis in human beings.

Explanation:

• Embryogenesis involves the process of embryo development from the fertilised egg. It starts with the formation of zygote which is diploid.

• Zygote is formed after the fusion of egg and sperm cells (fertilization).

• The first few cellular divisions of a zygote is called Cleavage. In this process, only the number cells are increased, not the mass.

• Zygote undergoes mitotic cell division.

• The cells in the cleavage stage is called blastomere.

• Gastrulation is the process next to cleavage in which gastrula is developed from the 'blastula by inward migration of cells'.

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