Aa, gg and aa are homozygous.
ag and ag are heterozygous.
Earth would basically look like the Moon; minus the craters, of course. This is because with no atmosphere to hold all of the Oxygen near the surface, all life would die off fairly quickly.
Hydrogen, Carbon, Nitrogen, and Oxygen all make up amino acids.
A. chemicals, the constriction of the pupil are usually caused by opiates anti-hypertension drugs.
