Question

Explain the stages in embryonic development​

Answer 1

Stage Days (approx) Events

1 1 (week 1) fertilized oocyte, zygote, pronuclei

2 2 - 3 morula cell division with reduction in cytoplasmic volume, blastocyst formation of inner and outer cell mass

3 4 - 5 loss of zona pellucida, free blastocyst

4 5 - 6 attaching blastocyst

Step-by-step explanation:

I hope this helps!