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1. Indicate the probable effects of the following mutational changes on the structure of a protein. Provide a brief rationale for your answer. (a) Changing a Leu for a Phe (b) Changing a Lys for a Glu (c) Changing a Val for a Thr (d) Changing a Gly for an […]

Microbiology Helminths 1. Give a brief overview of the organism you have selected, including its full scientific name, how it is identified in the lab; where it usually lives, etc. 2. What is the name of the human disease or illness this organism may cause? What are the symptoms? 3. […]

Question: Down syndrome is the result of an extra 21st chromosome in humans. In the process of meiosis for the mother, give all possible stages where it could lead to an offspring with Down syndrome, given that both parents are normal. Draw a picture showing the error in one of the […]

The sex of some fishes is determined by the same XY system as inhumans. An allele of one locus on the Y chromosome of the fish Lebistes causes apigmented spot to appear on the dorsal fin. A male fish that has a spotted dorsal fin is mated witha female fish […]