Question

where is the fallopian tube does fertilization occur in human ? describe the development of a fertilized ovum after implantation​

Answer 1

Explanation:

The fertilization in humans occur in the ampullary-isthmic junction of the fallopian tubes. Development of a fertilized ovum upto implantation: Fertilization results in the formation of diploid zygote

Answer 2

Answer:

Fertlisation occurs in the ampullary or ampullary isthmic junction :

1. Clevage occurs in the zygote to form 2,4, 8, 16 blastomeres.
2. 8-16 blastomere stage is called morula.
3. The morula continues to divide and transforms into blastocyst.
4. The blastomeres in the blastocyst are arranged into an outer trophoblast which gets attached to the endometrium pellucida.
5. The inner cell mass gets differentiated into an embryo.
6. The uterine cell divide rapidly and cover the blastocyst leading to implantation.