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You read in National Geographic that a team of archaeologist recently completed an examination of 18 skeletons from people buried under tons of volcanic ash 1200 years ago. By analyzing the bones, the scientist were able to determine the sex, physical health,(including a partial medical history), approximately age, and even […]

1. (a) What is the structural difference between all deoxyribonucleotides and all ribonucleotides and why does this make DNA more appropriate to act as the genetic material than RNA.(b) Why is uracil replaced by thymine in DNA? (4 points)(c) Can ribonucleotides base-pair with a deoxyriboncleotides and if so when does […]

Q1. Imagine the allele controlling brown eyes B, is dominant over that controlling blue eyes b, in human beings. A blue eyed man marries the brown eyed woman and they have six children all brown eyed. What is most likely genotype of the father? Mother? If the seventh child had […]

Question: In yeast, one haploid strain is unable to synthesize uracil but able to synthesize leucine, while another haploid strain is able to synthesize uracil but not leucine. You think that the two genes occurring on different chromosomes permit synthesis of uracil and leucine. Your goal is todetermine if the two genes occur […]