Answer:
3:1
Explanation:
i hope it will be helpful
The answer is: <span>A- Genes for body and wing size were on the same chromosome and inherited together</span>
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.
The Richter scale is a way of giving the intensity of all earthquakes a numerical value. this allows the strengths of different earthquakes to be compared. Because of this, i think the best answer is D
The homology of animals is based on scientists current understanding on the evolutionary history of living species.