Humans have 23 pairs of chromosomes and every body cell. Even one extra chromosome causes death or serious disorders. For example, an extra copy of chromosome 21 causes down syndrome. Down syndrome in humans is caused due to an error during a certain process. Name the process, and identify the point at which an error may take place that would cause Down syndrome

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

human didn't come from monkeys man i hate these stupid teachers

hammurabi rulers

good lesson

after making a punnet square using bv bv bv bv you will find that the ratio will be 9: 7 or a 128.6% probability.

hope this