CAMPBELL BIOLOGY W/ACCESSCODE
CAMPBELL BIOLOGY W/ACCESSCODE
11th Edition
ISBN: 9781323708217
Author: Urry
Publisher: PEARSON C
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Chapter 21, Problem 6TYU

scientific inquiry The scientists mapping the SNPs In the human genome noticed that groups of SNPS tended to be inherited together, in blocks known as haplotypes, ranging in length from 5.000 to 200.000 base pairs There are as few as four or five commonly occurring combinations of SNPS per haplotype. Integrating what you'vc Iearncd throughout this chaptcr and this unit, propose an explanation for this Observation.

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DNA sequences can act as "tape measures of evolution". Scientists analyzing the human genome sequence were surprised to find that some regions of the human genome that are most highly conserved (similar to comparable regions in other species) don't code for proteins at all. Given what you've learned about "genes" speculate on reasons why this might be so.
Scientific Inquiry Suppose you are a research assistant ina lab studying DNA-binding proteins. You have been giventhe amino acid sequences of all the proteins encoded bythe genome of a certain species and have been asked to findcandidate proteins that could bind DNA. What type of aminoacids would you expect to see in the DNA-binding regions ofsuch proteins? Explain your thinking
From the time an organism is first conceived until the time it dies, it has undergone an estimated 10 quadrillion divisions (that's 1 trillion times 10 thousand, for those keeping score at home). That's a pretty big number. The human genome has roughly 4 billion base pairs. What would happen if human DNA manufacturing & proofreading machinery erred at a rate of 1 in a million? What about 1 in a billion? 1 in a trillion? What number must be reached to be compatible with life & yet not so cumbersome such that the cell has no energy left for any other growth or manufacturing?

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CAMPBELL BIOLOGY W/ACCESSCODE

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Genome Annotation, Sequence Conventions and Reading Frames; Author: Loren Launen;https://www.youtube.com/watch?v=MWvYgGyqVys;License: Standard Youtube License