What important events take place during prophase i?
i. chromatin condenses to form visible chromosomes.
ii. the nucleus and nucleolus disintegrate.
iii. homologous chromosomes pair up to form tetrads.
iv. chromosomes line up down the middle of the cell.

question 5 options:

i only

i, ii, and iii

i and iv

i, ii, iii, and iv