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What is the fertilized egg called during implantation?
The fertilized egg is called a blastocyst during implantation. The blastocyst is a multicellular structure that forms from the fertilized egg as it develops and prepares for implantation in the uterine lining.
In what ways are the four embryos similar?
The four embryos are similar in that they are each cells at different early stages of development; they are all potential forms of a mature organism; and they have the same genetic material.
How long does zygote last?
A zygote is the initial stage of a fertilized egg that forms when a sperm and egg merge. The zygote typically continues to divide and develop for about 5-7 days before implanting into the uterine lining and becoming an embryo.
What are three things that happen within two weeks of fertilization?
Within two weeks of fertilization, the fertilized egg undergoes cleavage and forms a blastocyst, which implants into the uterine wall. The blastocyst begins to develop into different cell layers and structures that will eventually form the embryo. Hormonal changes also occur to support the pregnancy.
Once an egg has been fertilized?
Once an egg has been fertilized by a sperm, it forms a zygote which starts to divide rapidly through mitosis. The zygote then travels down the fallopian tube and implants itself into the wall of the uterus where it continues to develop into an embryo. This process marks the beginning of pregnancy.
