Trisomy=3 chromosomes; 1 more than the required pair (2)
21=the type of chromosome
So, here we can eliminate A and B.
Now we have C and D.
I know that when sperm cell(s) simultaneously fertilize [an] egg, a class of identical twins will form. Therefore, we can eliminate D, leaving us with merely C. Henceforth, C is your final answer.
A plant cuticle is a protecting film covering the epiderms of leaves, young shoots and other other aerial plant organs with out periderm. It consists of lipid and hydrocarbon polymers impregnated with was and is synthesized exclusively by the epidermal cells.
F. Cohesive behavior.
This is the unification of similar molecules within the molecular structure of an organism.
In meiosis, the chromosome pairs do the crossing over where there is an exchange of genetic material between them and because of it the
chromatids held together by the centromere are no longer the same.
The answer to your question is,
Seafloor spreading
-Mabel <3
