Question: Assume that r, red and sc, scarlet, are two recessive eye-color mutations that lie 20 map unites apart on the Drosphila X chromosome, and that each causes a read eye color in place of the wild type purple color. 1) If a female from a pure-breeding rr stock is mated […]

Q1. Throughout the inventory of bacterial genes present in the Sargasso Sea, a research team concluded that at least 1800 bacterial species were discovered. Based on what you know about this area, what will expect to see in coral reef waters? Q2. After a long scuba diving session on a […]

Q1. My teacher asked Shigella is a pathogen that is spread worldwide, but what does its shape (bacillius) have to do with it spreading? Tell me more about what kind of sickness it causes. Q2. After contact with a patient spinal fluid a lab technician develop fever nausea and purple […]

Question #1: The Knudson Paradigm Knudson paradigm of tumor suppressor gene inactivation: Rb was first identified as a tumor suppressor as evidenced by the two hit hypothesis (the loss of one allele results in increased susceptibility to developing cancer, loss of the second allele results in the development of cancer).  […]