Question

What happens during crossing over?

Spindle fibers form and attach to centromeres.
Homologous chromosomes trade pieces of DNA.
Sister chromatids form tetrads and line up randomly.
Tetrads separate and produce two haploid daughter cells.

Answer 1

what do you think?

Answer 2

i asked for an answer. not a question.

Answer 3

i don't understand why people like you do that... i wouldn't be asking otherwise

Answer 4

https://www.youtube.com/watch?v=rqPMp0U0HOA
if you want the answer
put an effort
and watch it

Answer 5

i do put an effort and if i don't find the answer, then that's when i ask

Answer 6

thats good
what do you know about it? maybe we can then lead you to the correct answer so that you understand it

Answer 7

hahahahhaahah I hate people like that

Answer 8

https://www.youtube.com/watch?v=pdJUvagZjYA
this tells you exactly what is it - and your answer

Answer 9

that still didn't help. i need an exact answer

Answer 10

is it "Homologous chromosomes trade pieces of DNA." ?

Answer 11

yep pretty much if im not mistaken