Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 19, Problem 6TY
Summary Introduction
Introduction:
The presence of two or more variants in the given population for the same character is termed as the polymorphism. The cause of the polymorphism is the presence of two or more alleles for a single trait and influence of these alleles on the characters. Polymorphism is also used to describe the variation in DNA strands of species of the same population.
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Which of the following is a characteristic of mutations in DNA?
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O b. They are usually expressed and result in positive changes for the individual.
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genetic information can be translated from RNA to protein
genetic information can be rewritten from DNA to RNA
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genetic information can be rewritten from RNA to DNA
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Chapter 19 Solutions
Principles of Biology
Ch. 19.1 - Prob. 1TYKCh. 19.1 - Prob. 2TYKCh. 19.1 - The phrase an organism evolves is incorrect....Ch. 19.1 - Prob. 1BCCh. 19.2 - Explain how geography played a key role in the...Ch. 19.2 - Prob. 2CCCh. 19.2 - Prob. 3CCCh. 19.2 - Prob. 1TYKCh. 19.2 - Homologous traits show similarities because the...Ch. 19.3 - What is the frequency of pink flowers in a...
Ch. 19.3 - Prob. 1TYKCh. 19.3 - Prob. 2TYKCh. 19.4 - Lets suppose the climate on an island abruptly...Ch. 19.4 - Prob. 2CCCh. 19.4 - Prob. 3CCCh. 19.4 - Prob. 4CCCh. 19.4 - Prob. 1TYKCh. 19.4 - Prob. 2TYKCh. 19.4 - Prob. 3TYKCh. 19.5 - How does the bottleneck effect undermine the...Ch. 19.5 - Prob. 1TYKCh. 19.5 - Prob. 2TYKCh. 19.5 - Prob. 1BCCh. 19.6 - How does migration affect the genetic compositions...Ch. 19.6 - Prob. 1BCCh. 19.6 - Prob. 1TYKCh. 19.6 - Populations that experience inbreeding may also...Ch. 19 - Prob. 1TYCh. 19 - An evolutionary change in which a population of...Ch. 19 - Homology occurs because different species occupy...Ch. 19 - Prob. 4TYCh. 19 - Prob. 5TYCh. 19 - Prob. 6TYCh. 19 - Prob. 7TYCh. 19 - Prob. 8TYCh. 19 - Prob. 9TYCh. 19 - The micro-evolutionary factor most sensitive to...Ch. 19 - Prob. 1CCQCh. 19 - Prob. 2CCQCh. 19 - A principle of biology is that populations of...Ch. 19 - Prob. 1CBQCh. 19 - Prob. 2CBQ
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- Over the last several decades, the scientific community has gathered a large amount of information regarding genetics and genetic variation. What is a main source that leads to increased genetic variation? Top of Form Selective breeding Chromosomal mutations Recombination Genetic driftarrow_forwardWhich of the following best describes genome wide association study? genomes of diseased and healthy individuals are compared to identify the mutations that cause disease molecular markers are identified that are unique to diseased genomes the frequency of molecular markers alleles are compared between diseased and healthy individuals to identify alleles at higher frequency in diseased individuals tumor genomes are sequenced to identify genes with unusual expression patterns individuals from diverse human populations are sequenced to identify how they are related to each otherarrow_forwardA genome is an organism's complete set of complete set of DNA, including all of its genes. Each genome contains all of the information needed to build and maintain the organism. With the advancements made in genetic testing where we can now reveal a person's entire genome, what are three positive and three negative effects to society?arrow_forward
- Which of the following are true statements about the human genome? (Select ALL that are true) The human genome contains 23 pairs of chromosomes The human genome is one circular chromosome The human genome contains about 100,000 genes The human genome contains about 20,000-25,000 genesarrow_forwardThe human genome has been fully mapped by the Human Genome Project. Information on the human genome is now freely available on DNA databases. Which statement best describes an ethical issue concerning the Human Genome Project? Responses The money invested in this project can be utilized for other research. The money invested in this project can be utilized for other research. The complete information about the human genome can be utilized to map human ancestry. The complete information about the human genome can be utilized to map human ancestry. The complete information about the human genome can lead to devastating consequences on Earth’s biodiversity. The complete information about the human genome can lead to devastating consequences on Earth’s biodiversity. The human genome will provide information about inherited diseases, which raises the possibility of genetic manipulation in individuals.arrow_forwardWhich of the following is the clearest example of an interaction between genes and environment? Group of answer choices Alice has green eyes, whereas her brother has brown eyes Children with two alleles for phenylketonuria develop the disease but children with only one allele do not have even a weak form of the disease People born with genes for gluten intolerance get very sick when they eat gluten A child with two average-height parents grows up to be quite a bit taller than averagearrow_forward
- What is the gene pool? A part of a chromosome that encodes an RNA or protein product in its DNA sequence All of the alleles of all the genes in a population The abundance of a particular allele among members of a population Forms of a gene with slightly different DNA sequences that may encode slightly different versions of the gene's productarrow_forwardWhich of the following describes forward genetics? Utilizing consensus regions within a genome to hypothesize the location of genes. Beginning with a phenotype and determining the genetic basis responsible for it. Performing sequence comparison between normal and diseased samples to identify genetic alterations specific to each sample type. Beginning with a gene and determining the phenotypic impact of mutating it. To move from the 5' to the 3'direction within a chromosomal sequence in order to systematically characterize the structure of the genome.arrow_forwardExplain the central dogma of biology. Explain the role of each part of the dogma in creating an organism. Make a connection to a trait that you inherited from your parents that makes you unique.arrow_forward
- Compare and contrast mutations and polymorphisms. Be specific and provide examples.arrow_forwardWhich of the following statements describe how genes, proteins, and traits are related? Select all that apply. The nucleotide sequence of a gene determines the amino acid sequence of a protein. Genes contain information about traits. Genes carry out functions in the cell that include providing structure and controlling chemical reactions. Proteins are molecules in the cell that encode genes. Proteins carry out activities in the cell that affect traits.arrow_forwardGWAS refers to... Group of answer choices An experimental design only used in humans. A method used in genomics, not an experimental design. An experimental design comparing the genome sequence of many unrelated individuals who differ based on some trait. An experimental design comparing the genome sequence of a few related individuals who differ based on some trait.arrow_forward
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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