Less Child Abuse issues, Less Car deaths every year due to Drunk Driving, and especially better environmental conditions for families.
Blue eyes are a recessive trait meaning Pats parents would both be heterozygous with one dominant gene and one recessive for each parent.
Explanation:
because the tilt of the earth on its axis
Because Evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations
