B is the correct answer. They can sometimes show an extinction but not always.
The separation of the sister chromatids during the cell division occurs in the anaphase in mitosis and anaphase II in meiosis.
During the anaphase in mitosis, and the anaphase II of the meiosis, the chromosomes aligned at the center of the nucleus separates and the sister chromatids of the chromosomes starts moving towards the opposite poles as the spindle fibers starts contracting.
I believe that all members of one species form a population.
Answer:
A) Image A represents a peptide hormone that interacts with a receptor, and image B represents a steroid hormone that interacts with the cell's DNA.
Explanation: