The answer is b, decrease the oxygen gas pressure
Meiosis is a kind of cell division.
it's used to reduce half of the chromosomes and prodouce 4 gamete cells, which we call these cells haploid.
for example, it is used in human reproduction, for the sperm and ovum, in order to have a sexual reproduction.
the offspring of them are genetically non identical to the parent.
The contamint would evaporate
Saliva,unprotected intercourse,contact with infected blood (blood transfusion)
and women with an unborn child.
