Question

what do you mean by crossing over

Answer 1

Heya user...
Crossing over means
=going from above ur head..
HOPE it is helpful to u..

Answer 2

here is your answers .

crossing over is exchange of genetic material between non sister chromatic of homologious chromosome during meiosis which results in new alletic combination in the daughter cell .

hope this helps you .

pls marrk as braineast answer .

thanks