Question

meiosis
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.
a. i only
b. i, ii and iii
c. i and iv
d. i, ii, iii and iv
you are using the free version of this game (with ads). if you want to use the ad - free m click the button below. please note: this will open in a new tab/window! please save before proceeding!

Explanation:

During prophase I of meiosis, chromatin condenses into visible chromosomes, the nucleus and nucleolus disintegrate, and homologous chromosomes pair up to form tetrads. Chromosomes lining up down the middle of the cell occurs in metaphase I, not prophase I.

Answer:

B. I, II and III