In a dna molecule, which nitrogenous bases are bonded together?

Genetic orders can result when sister chromatids fail to separate properly during which phase is this problem most likely to occur

How many chromosomes are in a human gamete?

4.explain how these geological processes and interactions have changed earth's surface through the years. be sure to use evidence to support your answer • earthquakes • faults • ocean formation • mountains • volcanoes • island chains • seafloor spreading