Need help with some biology!

Question

dudeitsnick240 · Answer

Humans can have four possible blood types: Type A, Type B, Type AB, and Type O. This variety is a result of which of the following?
Law of segregation
Incomplete dominance
Multiple alleles
or
Independent assortment

estrodiasz · Answer

Multiple alleles
because in this case (blood crossing), there is no dominant or recessive. law of segregation is talk about dominant or recessive. and the other options i think that's not correct

illusiveace · Answer

Can anyone answer this 
DNA replication occurs 
A. So that a cell can grow 
B. So that the cell can divide 
C. So that proteins can be made 
D. So that mutations can be removed

estrodiasz · Answer

@IllusiveAce
the answer is b.
why? the replication of DNA enable the cell divide. each cells must have DNA in their nucleus.