Question

What exactly happens during Prophase I?

Check all that apply!


Chromosomes separate.


Crossing over occurs.


Chromosomes line up in the middle.


Chromosomes line up with homologous pairs.


Chromosomes condense.

Answer 1

During the I, they coil and become shorter and thicker and visible under the light microscope. the duplicated homologous chromosomes pair, and crossing over (the physical change of chromosomes parts) . occur