In humans, the ability to roll one's tongue follows the dominant/recessive pattern of inheritance. The allele for tongue-rolling
is dominant to the allele for non-tongue-rolling. If two homozygous parents can roll their tongues, what is the probability that their child will also be able to?
His first task was to combat the worst recession since the Great Depression. Regan promised the “Reagan Revolution” focusing on reducing government spending, taxes, and regulation