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Question
In which of the following, blastula is called as blastocyst?
In which of the following, blastula is called as blastocyst?
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Solution
The correct option is C Eutherian
In mammals, the blastula forms the blastocyst in the next stage of development. Here the cells in the blastula arrange themselves in two layers, the inner cell mass and an outer layer are called as the trophoblast. Trophoblast forms the placenta by attaching itself to the endometrium of the uterus.So, the correct answer is option D.
In mammals, the blastula forms the blastocyst in the next stage of development. Here the cells in the blastula arrange themselves in two layers, the inner cell mass and an outer layer are called as the trophoblast. Trophoblast forms the placenta by attaching itself to the endometrium of the uterus.
So, the correct answer is option D.
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