They should differ from each other depending on their genetic constitution
it would be bind nucleotides together so therefore the answer is a
<span>The three events occur during sexual reproduction is Crossing over, independent assortment of chromosomes, and fertilization that sexual reproduction rearranges existing alleles into fresh combinations each generation, providing much of the genetic variation that makes evolution possible.</span>
<span>Aneurysm.
An aneurysm occurs when part of an artery wall weakens, allowing it to widen abnormally or bulge out. The causes of aneurysms are sometimes unknown. Some may be congenital, meaning a person is born with them. An aneurysm may also occur as the result of aortic disease or an injury.</span>