Search Results for mutations
1-20 of 1211 Search Results for
The American Biology Teacher. 2006; 684254 doi: https://doi.org/10.2307/4451978
Published: 01 April 2006
...José Vázquez Copyright National Association of Biology Teachers Mutations Oud Oof Geof Rickards program. For instance, DNA and replication includes 10 steps given with explanations along with an animation of telomeres and the function of telomerase. In Transcription and translation...
The American Biology Teacher. 2004; 665370–376 doi: https://doi.org/10.2307/4451692
Published: 01 May 2004
... methods for the Salmonella mutagenicity test. Mutation Research, 113, 173- 215. Maron 173 113 Mutation Research 1983 Schenectady County Community College (no date). Serratia marcescens. Retrieved August 10, 2001, from the Schenectady County Community College Web site: www.sunysccc.edu...
Published: 01 April 2017
Figure 10. Modeling mutations. Figure 10. Modeling mutations.
Christopher W. Hoagstrom, Lin Xiang, Nicole Lewis-Rogers, Patrice K. Connors, Ami Sessions-Robinson ...
The American Biology Teacher. 2019; 812127–132 doi: https://doi.org/10.1525/abt.2019.81.2.127
Published: 01 February 2019
... prey–predator coevolution in escape/pursuit speed. It illustrates how selection pressure on individual speed increases average population speed through differential survival, while also reducing variation in speed among individuals. A simulated beneficial mutation helps differentiate the generation of...
in Evolving Better Cars: Teaching Evolution by Natural Selection with a Digital Inquiry Activity > The American Biology Teacher
Published: 01 April 2014
Figure 2. “Chromosomes” illustrating mutations in a BoxCar2D car. New mutations are composed of a change in the number for that cell. The color changes in the car are a marker that a mutation has occurred, but do not affect car performance independently of the number change (figure modified from
The American Biology Teacher. 2015; 773160–161 doi: https://doi.org/10.1525/abt.2015.77.3.1
Published: 01 March 2015
... References Condit, C.M., Achter, P.J., Lauer, I. & Sefcovic, E. (2002). The changing meanings of “mutation”: a contextualized study of public discourse. Human Mutation, 19 , 69–75. King, R.C. & Stansfield, W.D. (2002). A Dictionary of Genetics, 6 th Ed. New York, NY: Oxford University Press...
The American Biology Teacher. 2015; 7716–9 doi: https://doi.org/10.1525/abt.2015.77.1.2
Published: 01 January 2015
... associate molecular changes with the evolution of form and function in organisms. Included are examples that illustrate how mutation followed by selection causes populations to evolve. Next month we will share lab activities that illustrate the concepts and reinforce the complementary roles of mutation and...
The American Biology Teacher. 2015; 772118–125 doi: https://doi.org/10.1525/abt.2015.77.2.7
Published: 01 February 2015
... California Press’s Rights and Permissions Web site at http://www.ucpressjournals.com/reprintinfo.asp . 2015 Molecular evolution mutation natural selection conserved DNA sequences Figure 1. Results of PCR amplification of a variable region from two species of New World primates: owl monkey...
The American Biology Teacher. 2014; 762132–136 doi: https://doi.org/10.1525/abt.2014.76.2.11
Published: 01 February 2014
... hundred per lecture section. We present a pedagogically sound exercise that utilizes a series of simple and inexpensive simulations to convey the concept of evolution through mutation and natural selection. Questions after each simulation expand student comprehension; a class discussion encourages...
Published: 01 May 2014
Figure 6. Metabolic pathway from phenylalananine, showing three mutations that can cause types of PKU. Figure 6. Metabolic pathway from phenylalananine, showing three mutations that can cause types of PKU.
Published: 01 November 2013
Figure 4. Musical mutations. (A) With all sheet music printed correctly, the violins play while the timpani rest. (B) Garbled sheet music prevents one violin from performing, but the second violin can perform and the piece proceeds. This represents a heterozygous genotype in which the functional
Published: 01 October 2012
Figure 1. Pencil transferase model used to illustrate impacts of mutations on protein structure. Figure 1. Pencil transferase model used to illustrate impacts of mutations on protein structure.
The American Biology Teacher. 2020; 82149–51 doi: https://doi.org/10.1525/abt.2020.82.1.49
Published: 01 January 2020
... replication, transcription, polymerase chain reaction (PCR), and random mutations so that students can examine these processes in detail. The set is inexpensive and easy to make, has been used successfully, and allows for modification to fit individual teachers' needs. Figure 1. Components of the set: (1...
The American Biology Teacher. 2001; 63154–58 doi: https://doi.org/10.2307/4451031
Published: 01 January 2001
... 508 290 Nature 1981 Cairns, J., Overbaugh, J. & Miller, S. (1988). The origin of mutants. Naure, 335, 142-145. Cairns 142 335 Naure 1988 Foster, P.L. & Cairns, J. (1992). Mecha- nisms of directed mutation. Genetics, 131, 783-789. Foster 783 131 Genetics...
The American Biology Teacher. 2017; 794282–287 doi: https://doi.org/10.1525/abt.2017.79.4.282
Published: 01 April 2017
... using light microscopy to distinguish the effect of a key mutation in a gene required for cell migration. From this approach, students learn how mutations can aid in understanding gene function and how modern genetic tools and microscopy are used to study gene expression and development. Because these...
Published: 01 April 2010
Figure 1. Recombination preserves genes by allowing slightly detrimental mutations to be weeded out over evolutionary time. Figure 1. Recombination preserves genes by allowing slightly detrimental mutations to be weeded out over evolutionary time.
The American Biology Teacher. 2019; 813202–209 doi: https://doi.org/10.1525/abt.2019.81.3.202
Published: 01 March 2019
... how to use the genetic code. Furthermore, students actively derive solutions to the problems that cells face during translation, make connections between genotype and phenotype, and begin to recognize the results of mutations. This introductory activity can be used as an interactive means to support...
The American Biology Teacher. 1995; 574212–219 doi: https://doi.org/10.2307/4449973
Published: 01 April 1995
...David A. Johnson Copyright 1995 National Association of Biology Teachers References Beet, E.A. (1949). The genetics of the sickle-cell trait in a Bantu tribe. Annals of Eugenics, 14, 279-284. Beet 279 14 Annals of Eugenics 1949 Ingram, V.M. (1957). Gene mutations in human...
Published: 01 February 2017
Figure 3. Drosophila with antp mutation. Note leg-like structures on the head. Figure 3. Drosophila with antp mutation. Note leg-like structures on the head.
The American Biology Teacher. 2018; 808600–607 doi: https://doi.org/10.1525/abt.2018.80.8.600
Published: 01 October 2018
...Dana Brown Haine “Investigating the Exposome: Vinyl Chloride Exposure, DNA Damage & Repair” is a data interpretation and graphing activity that provides students a relevant context in which to explore and refine what they know about DNA structure and function, mutation, DNA repair, and cancer...