GENETICS:FROM GENES TO GENOMES-ACCESS
6th Edition
ISBN: 9781260472981
Author: HARTWELL
Publisher: MCG
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Textbook Question
Chapter 1, Problem 14P
Explain how the exon/intron structure of genes contributes to the generation of new gene functions during evolution.
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Compare exons and introns. What are their significance and role in the genome organization of organisms.
Discuss the role that transposons may have played in the evolution of modern organisms.
Explain why the genetic code is said to be redundant and virtually universal? How these features may reflect its evolutionary history?
Chapter 1 Solutions
GENETICS:FROM GENES TO GENOMES-ACCESS
Ch. 1 - Choose the phrase from the right column that best...Ch. 1 - If one strand of a DNA molecule has the base...Ch. 1 - The size of one copy of the human genome is...Ch. 1 - Indicate whether each of the following words or...Ch. 1 - a. How many different DNA strands composed of 100...Ch. 1 - RNA shares with proteins the ability to fold into...Ch. 1 - The human protein lactate dehydrogenase shown in...Ch. 1 - a. Are the triplets in the genetic code table...Ch. 1 - Why do scientists think that all forms of life on...Ch. 1 - Why would a geneticist study a yeast cell or a...
Ch. 1 - How can a scientist tell if a protein present in...Ch. 1 - Figure 1.6 shows the amino acid sequences of parts...Ch. 1 - Why do scientists think that new genes arise by...Ch. 1 - Explain how the exon/intron structure of genes...Ch. 1 - Mutations in genes that change their pattern of...Ch. 1 - A single zebrafish gene function was inactivated...Ch. 1 - Different mutations in the WDR62 gene that...Ch. 1 - Researchers have successfully used gene therapy to...Ch. 1 - By the time this book is published, it will likely...
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- Outline the processes of exon shuffling and horizontal gene transfer, and explain how they produce genetic variation.arrow_forwardExplain how transposons and retrotransposons move to new locations in a genome.arrow_forwardWhat are the mechanisms in which DNA genomes evolve? Discuss two or more and provide examples and whyarrow_forward
- Explain about the Origins of the Human Genome ?arrow_forwardPropose an evolutionary explanation for introns. Why might they have evolved?arrow_forwardOutline the different rates of evolution that are typically seen in different parts of a protein-encoding gene. What might account for these differences?arrow_forward
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