During the early stages of meiosis, two chromosomes in a homologous pair may exchange segments, producing genetic variation in sex cells. this process of exchange is called

crossing over.

Explanation:

When two chromosomes in a homologous pair exchange segments, producing genetic variation in sex cells the process is called crossing over.

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

the median of the data is 4.5.