This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Zygote reaches the uterine cavity as : 
Select and explain. 
A. 32 celled, B. 16 celled, C. 8 celled, D. 2 celled
B: 16 celled
Answer: B: 16 celled 
Explanation: Ans. is b i.e. 16 celled