Concordance = presence of the same trait.
Identical twins have a higher rate than fraternal because most of their DNA is identical, it’s identical because the zygote split into two so the babies shared an amniotic sack. (Zygote is fertilized egg) so the baby got duplicated meaning only one egg and sperm created two babies. Fraternal twins happen when two eggs are fertilized and grow in separate amniotic sacks. So two different babies, two different eggs and sperm.
Answer:
Gene Flow
Explanation:
Gene flow is when genetic material gets transferred from one population to another.
A. the cell theory stating that all living things are composed of cells.
Hope this helps!
-Payshence
Answer:
combustible ....................
The substance is a compound because it's formed by two different elements.