Normally, only one sperm fertilizes an egg. What role do other sperm play?
◦ They assist the fertilizing sperm in penetrating the egg.
◦ They trigger chemical changes in the egg.
◦ They dissolve the outer barriers surrounding the oocyte.
◦ They assist the fertilizing sperm in penetrating the egg and trigger chemical changes in the egg.
◦ They trigger chemical changes in the egg and dissolve the outer barriers surrounding the oocyte.