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LIVING THINGS PROCESS ZYGOTE

Mayra Chavez

Created on October 6, 2022

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Transcript

process a zygote develop into an embryo

LIVING THINGS

STUDENTS:

Leonardo aguilarmila carrillo alejandra dueñas

  • Only about 100 sperm make it to the egg.
  • SPERM CELLS REACH A JELLY-LIKE COATING SURROUNDING THE EGG CELL AND RELEASE SUBSTANCES THAT DIGEST A PATH THROUGH THE COATING.
  • WHEN ONE SPERM PENETRATES THE EGG, THE EGG RELEASES A PROTEIN PREVENTING OTHER SPERM FROM GETTING IN.

FERTILIZATION

  • Fertilization occurs when the head of one sperm cell enters the egg cell, where the sperm nucleus fuses with the egg nucleus.
  • Fertilization occurs in the fallopian tube.

FERTILIZED EGG -> ZYGOTE -> EMBRYO

1. Egg is fertilized in fallopian tube (oviduct)2. Within about 30 hr, zygote begins to divide3. During the first week , zygote develops into a mass of many cells, which then hollows out and is called a blastula.

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