Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 19, Problem 6TYK
Summary Introduction
Introduction:
The human genome project has sequenced a complete set of
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The best estimate is that the human genome containsfewer than 21,000 genes. However, there is evidencethat human cells produce many more than 21,000 different polypeptides. What processes might account for thisdiscrepancy?
Most scientists consider the Human Genome Project (HGP) to be the most significant scientific project of the 21st century.
Choose the statements that describe the key findings of the Human Genome Project.
A. There are 23 pairs of chromosomes that make up the human genome.
B. DNA exists in a double helical form.
C. There are approximately three billion base pairs in the human genome.
D. The human genome contains approximately 25000 genes.
E. The genetic information of a cell is stored in the form of DNA.
Given what you read about the human genomein Chapter 13, would you predict that most mutations in humansare harmful, beneficial, or neutral?
Chapter 19 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 19.1 - What additional biological questions can be...Ch. 19.2 - What is the principle behind whole-genome shotgun...Ch. 19.2 - Prob. 2SBCh. 19.2 - Prob. 3SBCh. 19.2 - Prob. 4SBCh. 19.3 - Prob. 1SBCh. 19.3 - Prob. 2SBCh. 19.3 - Prob. 3SBCh. 19.4 - Prob. 1SBCh. 19.4 - Prob. 2SB
Ch. 19 - Prob. 1TYKCh. 19 - How do pseudogenes differ from genes? a. They are...Ch. 19 - Prob. 3TYKCh. 19 - Prob. 4TYKCh. 19 - Prob. 5TYKCh. 19 - Prob. 6TYKCh. 19 - About 95% of the average human transcription unit...Ch. 19 - Prob. 8TYKCh. 19 - Prob. 9TYKCh. 19 - When two protein-coding genes have very similar...Ch. 19 - Prob. 11TYKCh. 19 - Prob. 12TYKCh. 19 - Prob. 13TYKCh. 19 - Discuss Concepts The genome of the yeast...Ch. 19 - Prob. 15TYKCh. 19 - Prob. 16TYKCh. 19 - Prob. 17TYKCh. 19 - Below is a sequence of 540 bases from a genome....
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- The human genome has been sequenced, but we stilldon’t have an accurate count of the number of genes.Why not?arrow_forwardWhen the human genome sequence was finally completed, scientists were surprised to discover that the genome contains far fewer genes than expected. How many genes are present in the human genome? Scientists have also found that there are many more different kinds of proteins in human cells than there are different genes in the genome. How can this be explained?arrow_forwardA large portion of the human genome is transposons. Collectively, they are most likely: A) an equal mix of DNA and retrotransposons B) mostly DNA transposons because they are found in DNA C) mostly retrotransposons because they copy themselves each time they move D) mostly DNA transposons because they can cut themselves outarrow_forward
- a. Which gene is mutated in individuals with sickle-cell anemia? b. What are the major symptoms of this disorder? c. What was the first published scientific description of sickle-cell anemia? d. Describe two other features of this disorder that you learned from the OMIM database and state where in the database you found this informationarrow_forwardin the human genome project, scientists have identified the sequence of the base pairs of the human chromosome, and are working to determine what?arrow_forwardgive a working definition of the gene and explain whynew discoveries in genetics have changed our concept ofwhat a gene is;arrow_forward
- The Human Genome Project organized by many universities and research institutes in 1990 was mainly Select one: a.isolating genes from human DNA b. making many copies of human genome c. making many copies of genes extracted from in human DNA d. sequencing all the bases in human genome DNA e. collecting all proteins from cells in a populationarrow_forwardwhy are the human genome project and ENCODE important and how do they relate to the future of medicine?arrow_forwarddescribe some of the key findings from the Human Genome Project so that you can picture in a general fashion how these 3 billion nucleotides are organized.arrow_forward
- What are the most highly-conserved regions of human DNA (when compared to similar DNA sequences in closely-related animals)? A. transposons B. non-transcribed spacers C. introns D. pseudogenes E. exonsarrow_forwardWhich of the following is FALSE about the human genome? a. repetitive DNA is approximately 50% of the base pairs b. less than 5% of the DNA codes for unique proteins c. many genes have introns d. The genes are all unique to humans and show no similarity to genes from other organisms.arrow_forwardThe human genome is approximately 3 billion basepairs in size.a. Using standard 8.5″ × 11″ paper with one-inch margins, a 12-point font size, and single-spaced lines, howmany sheets of paper printed on one side would berequired to print out the human genome?b. A ream of 500 sheets of paper is about 5 cm thick.How tall would the stack of paper with the entirehuman genome be?c. Would you want a backpack, shopping cart, or asemitrailer truck to haul around this stack?arrow_forward
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