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Discoveries in DNA, cell biology, evolution, biotechnology have been among the major achievements in biology over the past 200 years with accelerated discoveries and insights over the last 50 years. Consider the progress we have made in these areas of human knowledge. Present at least three of the discoveries you […]

Suppose that in Drosophila melanogaster an XXY female with white eyes (due to the w^1 allele on both copies of an attached X chromosome) is mated with a male that has a yellow body (due to the y allele on the X chromosome). Which of the following best describes the […]

1.) A certain Drosophila protein-coding gene has one intron. If a large sample of null alleles (null alleles are mutations that destroy the function of the protein) of this gene are examined, will any of the mutant sites be expected in thea) exons?b) introns?c) promoter?d) intron-exon boundary?Please justify your answers. […]

Please answer these questions on a separate sheet(s) of paper, and please type.Small, handwritten figures on an otherwise typed document are acceptable.  It is imperative that no part of your answer be copied directly from an online source, or from another student, either in this class or from a previous […]