The same principles of problem solving that apply to peas and fruit flies also apply to man. Use Punnet Squares to predict the outcome of genetic crosses. O is recessive. A short cut to ABO inheritance problems. Human DNA 3.2 to 3.5 billion base pairs of DNA encoding about 60,000 to 100,000 proteins.
Some chromosomes have a higher density of genes than others.
Human Genome Project Information Page Genes and Human Disease Description of role genes play in about 60 human disease at the NIH Genes and Disease web site. All rights reserved.