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Question
Implantation of the zygote takes place at which of the following embryonic stages?
Implantation of the zygote takes place at which of the following embryonic stages?
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Solution
The correct option is C Blastula
After fertilisation of the egg, a zygote is formed. A zygote is one cell. Then the zygote starts diving and forms a cell mass, called morula. As the cells of the morula continue to divide, a cavity appears inside the morula. It forms the blastocoel. It separates a surface layer of blastomeres from an inner cell mass, thereby forming a structure called blastocyst or blastula.
The process of attachment of the blastula on the endometrium of the uterus is termed as implantation.
After fertilisation of the egg, a zygote is formed. A zygote is one cell. Then the zygote starts diving and forms a cell mass, called morula. As the cells of the morula continue to divide, a cavity appears inside the morula. It forms the blastocoel. It separates a surface layer of blastomeres from an inner cell mass, thereby forming a structure called blastocyst or blastula.
The process of attachment of the blastula on the endometrium of the uterus is termed as implantation.
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