the way matter generates and responds to electricity and magnetism
It would be the last one.
Answer: It is b multiple alleles
Explanation: Alleles determine your genes.
"Identical twins come from a single fertilized egg, or zygote, that splits in two. Both halves contain the same DNA and eventually form two fetuses. But clones are formed in a different way. The first step in making a clone is to empty the DNA out of a fertilized egg".
-Google
