How do embryos survive the freezing process?

Answer 1

They first dehydrate the embryo to remove the water, that way when it is frozen, no ice crystals form, which is what would kill it.

Answer 2

The cell division process gets halted as the cell changes state from liquid to solid. The cells are kept bacteria free and so survive the process until neccessary.

Answer 3

they go under dorment condition------------cell wall breaks and cell lose all cytoplasim contents except DNA only DNA survive without any metabolic process