Question

Which stages through an embryo develops into an adult?​

Answer 1

Explanation:

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