The right option is a. variations.
Variations are the differences between the individual organisms of the same species which is as a result of genetic differences or the influence of environmental factors on the expression of the genetic abilities. Variation may be expressed in behavior, physical appearance, learning, and metabolism. The two types of variations are somatic variation and germinal variation.
I do believe the answer is B because since it is going through each phase, the DNA strand will continue to adjust itself as the cell moves making the strands split allowing themselves to create copies. Since DNA has to be connected with another strand that will fit, it will be able to multiply itself based on the pieces that are missing
<span>See which one is attracted more to the metal filings.</span>
