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In guinea pigs rought coat is dependent upon a dominant gene,and a smooth coat upon the recessive allele. a rough coated maleis mated with two rough coated females. female A after theirmatings, has produced 14 young, all rough coated. female B after three matings, has produced nine young; seven of […]

Rose is 33 years old and likes her job as a claims adjuster. She has gained about 20 lbs. since she graduated from college, but she thinks that it is probably normal. She likes eating out and is very glad she can now afford to do so 2 or 3 […]

Dr. Ara B. Dopsis and Dr. C. Ellie Gans are performing genetic crosses on daisy plants. They self-fertilize a blueflowered daisy and grow 100 progeny plants that consist of 55 blue-flowered plants, 22 purple-flowered plants, and 23 white-flowered plants. Dr. Dopsis believes this is the result of segregation of two […]

1. Would two nucleotides at a time be sufficient to provide enough codons to code for all 20 amino acids? Why or why not? How many amino acids could be coded for by codons containing only two nucleotides? 2. Will three nucleotides per codon work? Why or why not? Explain […]