The Pfizer study enrolled 43,661 people. Why so many people? Would the company’s results be as convincing if it enrolled, for example, just 100 people?

What feature of cell theory is best demonstrated in the image

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms