So we are able to populate the earth. same with animals.
Male and female are the different genders.
Yes they are different genders. Hope this helps!
no
different parts of the flower are not different genders, and it depends on the flower. Not every plant have different genders, some species are asexual (both male and female).
No.
When students of different genders have a sleepover.
yes but they must have different genders
They are chickens. different genders of the same species.
because people are not comfertable with them selfs and want to be different
Snakes do not have any specific names for the different genders
fraternal twins have two different chromosomes
Yes, it's possible for a mutation in the chromosome to produce otherwise-identical twins with opposite genders. But generally no, identical twins have the same gender. (but fraternal twins have different genders just as often as any siblings)