Mendel determined from his pea plant experiments that some copies of genes are dominant while others are recessive. Explain how two tall plants could produce a short plant.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons