Answered: Is the amount of DNA an organism has…

Is the amount of DNA an organism has correlated to intelligence or complexity? What are two discovered uses of noncoding DNA (introns)?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter19: Population Genetics And Human Evolution

Section: Chapter Questions

Problem 24QP

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

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Junk DNA — Not So Useless After All | TIME.com

Is the amount of DNA an organism has correlated to intelligence or complexity? What are two discovered uses of noncoding DNA (introns)?

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Junk DNA — Not So Useless After All | TIME.com What was the scientist's error in naming noncoding DNA “junk” DNA. Is the amount of DNA an organism has correlated to intelligence or complexity? What are two discovered uses of noncoding DNA (introns)?
Junk DNA — Not So Useless After All https://healthland.time.com/2012/09/06/junk-dna-not-so-useless-after-all/ (Claim) Summarize scientist's error in naming noncoding DNA "junk" DNA. (Evidence) Is the amount of DNA an organism has correlated to intelligence or complexity? (Reasoning) What are two discovered uses of noncoding DNA (introns)?
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
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. SCIENTIFIC INQUIRY The scientists mapping the SNPs inthe human genome noticed that groups of SNPs tended to beinherited together, in blocks known as haplotypes, ranging inlength from 5,000 to 200,000 base pairs. There are as few as fouror five commonly occurring combinations of SNPs per haplotype.Integrating what you’ve learned throughout this chapter and thisunit, propose an explanation for this observation
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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