Which of the following statements is true? Electrons are found in the nucleus. A piece of magnesium is made only of magnesium atoms. All 118 elements occur naturally on Earth. Protons and neutrons orbit the nucleus of an atom.

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

All ova contain sex chromosomes corresponding to: x y xx xy

What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous