Some people clasp their hands right over left and others left over right. Right over left is the dominant trait. Construct a cross between two people that are heterozygous for this trait. Is this a case of dominance, incomplete dominance, or codominance?

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.

carbon atoms, hydrogen, oxygen, and nitrogen.

layer 3 is younger than layer 6.