When a dominant allele coexists with a recessive allele in a heterozygote individual, how do they interact with each other? ?

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

it cools slower in the earth meaning the crystals have more time to form than lava on the surface