a. crossing over results in the exchange of genetic material of homologous chromosomes.
b. fertilization produces offspring with varied genetic combinations.
c, chromosomes are randomly assorted into gametes.
d. at the completion of meiosis, all four gametes differ.
e. no two offspring can ever be identical.

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder

Find the coordinates of the midpoint m of the segment with the given endpoints. then find the distance between the two points. round the distance to the nearest tenth. u(? 1,? 2) and v(8, 0)

Red blood cells are responsible for transporting oxygen in the blood. people with sickle cell anemia were born with a defective gene that results in sickle-shaped red blood cells. individuals with the disease often suffer pain in their extremities due to the build-up of these cells causing blockages in the blood vessels. the shape of the blood cells also reduces the amount of oxygen transported in the blood.