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pleiotropy

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Journal Articles
The American Biology Teacher. 2018; 802140–142 doi: https://doi.org/10.1525/abt.2018.80.2.140
Published: 01 February 2018
... Association of Biology Teachers. All rights reserved. Please direct all requests for permission to photocopy or reproduce article content through the University of California Press's Reprints and Permissions web page, www.ucpress.edu/journals.php?p=reprints . 2018 polymorphisms polygenes pleiotropy...
Journal Articles
The American Biology Teacher. 2018; 809697–701 doi: https://doi.org/10.1525/abt.2018.80.9.697
Published: 01 November 2018
...-RL Plant pathogens............................1.35-I, 8.594-I PlantingScience............................8.578-RL Pleiotropy............................2.140-TT Polygenes............................2.140-TT Polymorphisms............................2.140-TT Prediction-observation...
Journal Articles
The American Biology Teacher. 2017; 79171 doi: https://doi.org/10.1525/abt.2017.79.1.71
Published: 01 January 2017
... selection for this trait of tameness resulted in the selection of other traits, such as floppy ears, curled tails, and different hair colors. This is an example of “pleiotropy,” in which one gene that is selected for affects the selection of other traits. How these traits, which seem to be unrelated, are in...
Journal Articles
The American Biology Teacher. 2017; 79295–101 doi: https://doi.org/10.1525/abt.2017.79.2.95
Published: 01 February 2017
... fish are trying to get rid of what they don't need.” Individuals with beneficial traits reproduce more often and leave more offspring. Evolutionary change in A. mexicanus is the result of natural selection, pleiotropy, and genetic drift, not individual effort. Natural selection gives organisms...
Journal Articles
The American Biology Teacher. 2016; 786512–514 doi: https://doi.org/10.1525/abt.2016.78.6.512
Published: 01 August 2016
... Incomplete dominance Maternal effect Mitochondrial inheritance Pleiotropy Sex-linked (or X-linked) trait The C allele leads people to drive Corvettes, and the V allele of the same gene leads people to drive Dodge Vipers. (Note that this breaks the normal convention for using uppercase and...
Journal Articles
The American Biology Teacher. 2014; 768493–498 doi: https://doi.org/10.1525/abt.2014.76.8.2
Published: 01 October 2014
...-Eberhard, 2003 ). The important phenomenon here is pleiotropy, the multiple phenotypic effects of the expression of individual genes. The concepts of evo-devo discussed here can be used as educational tools to help effectively address students’ preconceptions about evolution, namely design teleology...
Journal Articles
The American Biology Teacher. 2014; 76153–56 doi: https://doi.org/10.1525/abt.2014.76.1.11
Published: 01 January 2014
..., and others that show epistasis, pleiotropy, and sex linkage. These traits can be modified depending on material covered in class. For example, if epistasis is not covered in a nonmajors course, the trait (eye pigment deposition) can be removed from the worksheet or replaced by another trait. By the...
Journal Articles
The American Biology Teacher. 2013; 759641–649 doi: https://doi.org/10.1525/abt.2013.75.9.4
Published: 01 November 2013
... physical appearance? * Making link [Protein → Trait] Think of as many traits that are linked to [protein of choice] as you can. * [Text describes hemoglobin example] [Demonstrates pleiotropy] Making link [Protein → Trait] Enzymes Show how a chemical interaction (without chemical...
Images
Mendel's dihybrid and trihybrid crosses. Mendel used these crosses to estab...
Published: 01 September 2011
an example of pleiotropy. The A allele results in purple (red-violet) flowers and gray seed coat, whereas the a allele results in white flowers and white seed coat. Figure 2. Mendel's dihybrid and trihybrid crosses. Mendel used these crosses to establish the principle of independent assortment. The an example of pleiotropy. The A allele results in purple (red-violet) flowers and gray seed coat, whereas the a allele results in white flowers and white seed coat. Figure 2. Mendel's dihybrid and trihybrid crosses. Mendel used these crosses to establish the principle of independent assortment. The More
Journal Articles
The American Biology Teacher. 2013; 752102–105 doi: https://doi.org/10.1525/abt.2013.75.2.6
Published: 01 February 2013
... to epigenetic inactivation of the dominant allele rather than due to the loss of the dominant allele (a rare mutation). 6. True. This phenomenon is called “pleiotropy.” For example, Mendel reported that the color of the pea seed coat is correlated with the color of the flower in which it develops...
Journal Articles
The American Biology Teacher. 2012; 742111–113 doi: https://doi.org/10.1525/abt.2012.74.2.9
Published: 01 February 2012
... . Facsimile online at http://www.esp.org/books/weismann/essays/facsimile/ . Williams G. ( 1957 ). Pleiotropy, natural selection, and the evolution of senescence . Evolution , 11 , 398 – 411 . Wilson J. ( 1963 ). Hypothesis on the Earth's behaviour . Nature , 198 , 849 – 865...
Journal Articles
The American Biology Teacher. 2012; 74115–19 doi: https://doi.org/10.1525/abt.2012.74.1.5
Published: 01 January 2012
... a sequence corresponding to one amino acid, most amino acids in the CFTR after position 508 would be different compared with the normal protein. Cystic fibrosis is also an example of pleiotropy, in which a gene affects multiple phenotypic traits. The recurrent lung infections, difficult digestion...
Journal Articles
The American Biology Teacher. 2011; 737382–387 doi: https://doi.org/10.1525/abt.2011.73.7.3
Published: 01 September 2011
... an example of pleiotropy. The A allele results in purple (red-violet) flowers and gray seed coat, whereas the a allele results in white flowers and white seed coat. Figure 2. Mendel's dihybrid and trihybrid crosses. Mendel used these crosses to establish the principle of independent assortment. The...
Journal Articles
The American Biology Teacher. 2010; 7216 doi: https://doi.org/10.1525/abt.2010.72.1.3
Published: 01 January 2010
... need inquiry activities in which students can learn about multiple alleles, multiple loci, limited dominance, and pleiotropy. Such activities can make the study of genetics very rich and very realistic. Finally, it should be evident that the five areas I have outlined above are not mutually...
Journal Articles
The American Biology Teacher. 2006; 689530–535 doi: https://doi.org/10.2307/4452060
Published: 01 November 2006
... Biology 2002 Dekker,j. H. & Burmester, R. G. (1992). Pleiotropy in triazine-resis- tant Brassica napus - Ontogenetic and diurnal influences in photosynthesis. Plant Physiology, 100, 2052-2058. Dekker 2052 100 Plant Physiology 1992 Dekker, J. H. & Sharkey, T. D. (1992...
Journal Articles
The American Biology Teacher. 2006; 682118 doi: https://doi.org/10.2307/4451942
Published: 01 February 2006
... school students and undergraduates. Its focus is on human heredity and includes the following topics: * Monohybrid and dihybrid ratios * Controlled crosses and human pedigrees * Sex chromosomes and sex linkage * Pleiotropy and polygenes * Dominance and epistasis * Linkage, recombination and gene maps...
Journal Articles
The American Biology Teacher. 2006; 682118–119 doi: https://doi.org/10.2307/4451943
Published: 01 February 2006
... undergraduates. Its focus is on human heredity and includes the following topics: * Monohybrid and dihybrid ratios * Controlled crosses and human pedigrees * Sex chromosomes and sex linkage * Pleiotropy and polygenes * Dominance and epistasis * Linkage, recombination and gene maps * Maternal inheritance and...
Journal Articles
The American Biology Teacher. 2000; 629632–639 doi: https://doi.org/10.2307/4451001
Published: 01 November 2000
..., one might not mention any genetic trait without also profiling its corresponding protein (or RNA). Explanation of pleiotropy fits here naturally, too. Through such discussion, students learn the nature of a heritable "trait." How do biologists reduce the organism intofunctional, selective units...
Journal Articles
The American Biology Teacher. 2000; 624259–261 doi: https://doi.org/10.2307/4450892
Published: 01 April 2000
... effects on traits. Equally important, it will be necessary to go beyond the simpler principles of genetics and to find time for more complex concepts such as gene-environment interactions, gene-gene interactions, polygeny, and pleiotropy. Knowledge of these will be required to take full advantage of...
Journal Articles
The American Biology Teacher. 1998; 603168–173 doi: https://doi.org/10.2307/4450445
Published: 01 March 1998
...- ronments), pleiotropy (multiple effects of a single pathway, especially where neurotransmitters are in- volved), and varying stability and reliability of mea- surements for behavioral traits. Despite these compli- cations, as Davis and Bradley (1996) point out, science increasingly relies on ever-more...