Science: Ask A Geneticist (Due 2/2)

When I read all the three links, I learned many important, and at the same time, interesting facts.First of all, I learned that there is an average of a six million difference between two people's DNA. Next, I learned that a karyotype is a chart that scientists use to study chromosomes. I knew that DNA was a molecule, but I didn't know was that it was made up of smaller units called nucleotides. The most interesting facts I learned were about how close chimps and humans are. For example, did you know that one human chromosome is made up of two chimp chromosomes? The fact that shocked me the most was that between humans and chimpanzees, 98.8% of our DNA is the same! Last but not least, I learned that chimps and humans started out with the same number of chromosomes. Then, approximately 5 million years ago, humans and chimps started drifting apart in evolution and in that time some of their genomes changed.