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polygenes

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Journal Articles
The American Biology Teacher. 1989; 514203–207 doi: https://doi.org/10.2307/4448904
Published: 01 April 1989
... abnormali- ties. American Journal of Medical Genetics, 8, 411-429. Reed 411 8 American Journal of Medical Genetics 1981 Fingerprint Ridge Count A polygenic trait useful in classroom instruction Gordon Mendenhall Thomas Mertens Jon Hendrix Gordon Mendenhall teaches biology and human genetics...
Journal Articles
The American Biology Teacher. 1988; 504231–234 doi: https://doi.org/10.2307/4448716
Published: 01 April 1988
... labs on evolu- tion. The American Biology Teacher, 47, 16-24. Price 16 47 The American Biology Teacher 1985 Tamarin, R.H. (1986). Principles of Genetics. Boston: Prindle, Weber & Schmidt. Tamarin Principles of Genetics 1986 How-To-Do-It Simulating Selection of a Polygenic...
Journal Articles
The American Biology Teacher. 2018; 802140–142 doi: https://doi.org/10.1525/abt.2018.80.2.140
Published: 01 February 2018
...Julie J. Lesnik This classroom exercise aims to help students understand the three Ps of genetic complexity: polymorphic, polygenic, and pleiotropic. Using coin flips and dice rolls, students are able to generate the genotype and phenotype of a random individual. From there, students find a mate...
Journal Articles
The American Biology Teacher. 2019; 8113–10 doi: https://doi.org/10.1525/abt.2019.81.1.3
Published: 01 January 2019
... concluded that skin color and height were polygenic, controlled by two or more genes.) Additionally, Davenport and other American eugenicists allowed their prejudices to affect the interpretation of their honestly made research findings. Because they assumed blacks to be inferior to whites, they were...
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. 2018; 802132–138 doi: https://doi.org/10.1525/abt.2018.80.2.132
Published: 01 February 2018
... students—after each round of selection—to register body size for each individual, mean body size for the population, and frequencies for each of the four alleles used to represent polygenic inheritance of body size. Thus, as a result of three rounds of artificial selection, students see how selection...
Journal Articles
The American Biology Teacher. 2018; 804272–277 doi: https://doi.org/10.1525/abt.2018.80.4.272
Published: 01 April 2018
... time has a clear, heritable genetic basis with polygenic quantitative patterns of inheritance. Individual genotypes within many populations clearly differ in this trait, showing that there is substantial naturally segregating variation in chill coma recovery time ( Hoffmann et al., 2002 ; Morgan...
Journal Articles
The American Biology Teacher. 2018; 804264–269 doi: https://doi.org/10.1525/abt.2018.80.4.264
Published: 01 April 2018
... replication Sex linkage and human pedigree analysis Transcription Dihybrid crosses and independent assortment RNA processing Variations in Mendelian patterns Protein synthesis Polygenic traits and epistatic interactions Regulation of gene expression in bacteria Organelle genetics...
Journal Articles
The American Biology Teacher. 2017; 79295–101 doi: https://doi.org/10.1525/abt.2017.79.2.95
Published: 01 February 2017
... the evolution of cave blindness. Sightedness in A. mexicanus is a polygenic trait, involving structural and regulatory genes, pleiotropic genes, and qualitative and quantitative genes. Evolution of blindness in A. mexicanus can be explained by a combination of three hypotheses: The high...
Journal Articles
The American Biology Teacher. 2016; 785385–388 doi: https://doi.org/10.1525/abt.2016.78.5.385
Published: 01 May 2016
... this teaching of Mendelian genetics: a useful, if very simplified, model on which to build more nuanced understandings about inheritance that include gene expression, linkage, polygenic traits, and epigenetics. A final set of pedagogical decisions upon which Brower comments – providing students...
Journal Articles
The American Biology Teacher. 2014; 769643–647 doi: https://doi.org/10.1525/abt.2014.76.9.14
Published: 01 November 2014
..........................5:350-Q Phenotype.......................2:132-H Phylogenetic trees.......................2:109-I, 7:432-F Phylogenomic tools.......................7:432-F Physiology.......................9:595-I Plants.......................5:352-Q, 7:444-I Polygenic inheritance...
Journal Articles
The American Biology Teacher. 2014; 765306–310 doi: https://doi.org/10.1525/abt.2014.76.5.3
Published: 01 May 2014
... course, must always ensure that students understand that any one normal diploid individual can have only two alleles – one on each homologue.) Most genes have multiple alleles. Human eye color is polygenic. Although it is rare, if mutations in different eye-color genes are involved, two blue...
Journal Articles
The American Biology Teacher. 2014; 764224–229 doi: https://doi.org/10.1525/abt.2014.76.4.2
Published: 01 April 2014
... of the gene in the modern genomic era with implications for instruction. Science & Education, 19 , 1–20. Genetics non-Mendelian inheritance polygenic inheritance multifactorial inheritance genetic determinism © 2014 by National Association of Biology Teachers. All rights reserved...
Journal Articles
The American Biology Teacher. 2014; 763184–188 doi: https://doi.org/10.1525/abt.2014.76.3.6
Published: 01 March 2014
... sets of chromosomes T1-3 Monogenic inheritance is where a single gene affects one trait T6-1 Polygenic inheritance is an additive effect of two or more genes on a single trait T10-4 Half of the chromosomes are inherited from the organism’s male parent 5 The offspring from sexual...
Journal Articles
The American Biology Teacher. 2013; 759641–649 doi: https://doi.org/10.1525/abt.2013.75.9.4
Published: 01 November 2013
... influences (see Appendix 1 ). Moreover, commonly used “fun” traits (e.g., eye color, attached ear lobes, and tongue rolling) are actually polygenic. All genes interact; this is the rule, not the exception! Gene interactions are traditionally difficult for students, and epistatic interactions are typically...
Journal Articles
The American Biology Teacher. 2008; 709531–536 doi: https://doi.org/10.2307/27669338
Published: 01 November 2008
... (number of people with a widow's peak divided by the number of people without a widow's peak)? 8) What is true of polygenic traits? Choose all that apply. a) More than one gene determines the trait. b) One gene determines the trait. c) A polygenic trait may have several different phenotypes and genotypes...
Journal Articles
The American Biology Teacher. 2008; 706345–349 doi: https://doi.org/10.2307/30163294
Published: 01 August 2008
... traits, on the other hand, is commonly governed by many genes (polygenes), each with relatively small but cumulative effects on the phenotype that may vary from one set of environmental conditions to another. These facts considerably complicate the study of this class of traits. Mendel discussed the...
Journal Articles
The American Biology Teacher. 2008; 707401–404 doi: https://doi.org/10.2307/30163311
Published: 01 September 2008
... to the same repercussions in humans? It is possibly trite to say that modern technology, by allowing survival and reproduction for people who carry polygenically- determined adverse traits such as myopia or diabetes, is altering the frequency of these traits. This change in gene frequency is the...
Journal Articles
The American Biology Teacher. 2008; 70130–33 doi: https://doi.org/10.2307/30163190
Published: 01 January 2008
... chromosomes that contain 102 genes. Except for gender, the phenotypes are polygenic (i.e., determined from multiple genes), and genetic variation is additive (each allele has an effect on the pheno- type). For gender, heterozygotes are male and homozygotes are female. When organisms reproduce, they make...
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...