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A CSI lab tech has just completed as series of Kastle-Meyer tests on several red stains on a suspect’s shirt. In all cases after hydrogen peroxide is added, a pink color appears 5-10 min later. Please answer the following questions: A) What is the result? B) Why? C) What would […]

1) Tay-Sachs is a recessive genetic disease in humans. If one parent is homozygous normal and the other is a carrier (heterozygous), what are the chances that their child will have this disease? a) 0% b) 25% c) 50% d) 75% e) 100% 2) If an organism shows a recessive […]

Consider the role of the coenzyme NAD in glucose oxidation. In the process of glycolysis the formation of pyruvate involves the reduction of the coenzyme NAD to NAD.2H. (a) Which other stages of glucose oxidation produce molecules of the reduced coenzyme, NAD.2H? (b) Explain what happens to NAD.2H produced during […]

LMS is very rare human hereditary disorder resulting in spastic para paraplegia and mental retardation. LMS is caused by a recessive allele with Mendelian inheritance. A couple, Ross and Rachel would like to have children. However, Ross’s great-great grandfather was known to have had a daughter(from a previous marriage, not […]