how does a single fertilized egg grow into a multicellular embryo ?

short and easy to understand form please :)

Comments

  • Mitosis. It's where the cell takes in nutrients and grows until it is large enough to split into two cells, the each of those do the same thing, doubling every certain number of hours. after a certain point, specific cell types are designated, and then they grow from there, stopping once they've reached a certain quantity (based off of how many other cells they are touching, and various chemicals). eventually, it grows into a baby.

  • Single Fertilized Egg

  • Mitosis. It's where the cell takes in nutrients and grows until it is large enough to split into two cells, the each of those do the same thing, doubling every certain number of hours. after a certain point, specific cell types are designated, and then they grow from there, stopping once they've reached a certain quantity (based off of how many other cells they are touching, and various chemicals). eventually, it grows into a baby.

  • The egg is bigger than the sperm because it carries the nutrients needed for the fertilised egg to multiply into a blastocyst.

    The cell division happens in 2, 4, 8, 16 etc, but it doesn't get much bigger until it has attached itself onto the uterus, in which more nutrients are available through the mother.

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