The egg released from the ovary travels to the ampullary-isthmic junction, where fertilization occurs. As the zygote moves toward the uterus, it undergoes mitotic divisions, forming 2, 4, 8, and 16 cells known as blastomeres. When the embryo reaches the stage of 8 to 16 blastomeres, it is

Question

The egg released from the ovary travels to the ampullary-isthmic junction, where fertilization occurs. As the zygote moves toward the uterus, it undergoes mitotic divisions, forming 2, 4, 8, and 16 cells known as blastomeres. When the embryo reaches the stage of 8 to 16 blastomeres, it is referred to as a morula.

Accepted Answer

All of the above. All the statements provided in the question are correct. The ovum is released by the ovary, fertilisation occurs at the ampullary-isthmic junction, and the embryo with 8 to 16 blastomeres is indeed called a morula.

Solution

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