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polygenic-inheritance

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Journal Articles
The American Biology Teacher (2019) 81 (1): 3–10.
Published: 01 January 2019
... & Steggerda, 1929 , p. 503). Figure 7. The manikin test used by Davenport and Steggerda in Jamaica (Davenport & Steggerda, 1929, p. 503). Figure 2. Diagram of a generic dihybrid cross showing the inheritance of genes A and B . (Note that the symbol ⊗ indicates self-fertilization.) Figure 2...
Journal Articles
The American Biology Teacher (2018) 80 (2): 132–138.
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) 80 (9): 697–701.
Published: 01 November 2018
... Inheritance............................4.291-I Inoculation............................8.594-I Inquiry............................2.71-RL, 2.116-I, 5.372-I, 6.416-F, 8.594-I Interdisciplinary science............................8.608-I Invasive species............................5.346-I Kit-based...
Journal Articles
The American Biology Teacher (2018) 80 (2): 140–142.
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 (2018) 80 (4): 264–269.
Published: 01 April 2018
..., Mendelian inheritance or the central dogma of molecular biology? International Journal of Science and Mathematics Education , 14 , 445 – 472 . Elrod, S. L. , & Stansfield, W. D. ( 2010 ). Schaum's Outline of Genetics ( 5th ed.). New York : McGraw-Hill Education . Genetics Society of...
Journal Articles
The American Biology Teacher (2018) 80 (4): 272–277.
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 (2017) 79 (2): 95–101.
Published: 01 February 2017
... ( NCBI, 2013 ). Unlike typical Mendelian traits, inheritance of eye structures and eyesight is polygenic, that is, determined not by a single gene but by many (e.g., genes related to eye structure, the lens, the retina, pigments, etc.) This is particularly easy to understand in the case of eye pigments...
Journal Articles
The American Biology Teacher (2016) 78 (5): 385–388.
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) 76 (9): 643–647.
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) 76 (4): 224–229.
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) 76 (3): 184–188.
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 (2014) 76 (5): 306–310.
Published: 01 May 2014
... or not most human characteristics are inherited as simple Mendelian traits (determined by one gene with a dominant and a recessive allele), problems with the Central Dogma of Biology, misunderstandings about the inheritance of traits such as eye color, the relative importance of genetics versus the...
Journal Articles
The American Biology Teacher (2013) 75 (9): 641–649.
Published: 01 November 2013
.... recipient determines immune response. MHC alleles are also linked to differential ability to respond to infections. Inherited breast cancer risk b Humans BRCA1 Many alleles DNA repair enzyme Disease/Risk Defective DNA repair increases chance of cancer mutations. Mutation is a dominant loss of...
Journal Articles
The American Biology Teacher (2008) 70 (9): 531–536.
Published: 01 November 2008
... analyses replicated those conducted in the first trial. 532 THE AMERICAN BIOLOGY TEACHER, VOLUME 70, NO. 9, NOVEMBER/DECEMBER 2008 - Figure 3. Sample Qwizdom questions from the evolution unit. 1 ) What did Darwin know about inheritance? Choose all that apply. a) Offspring inherited traits from their...
Journal Articles
The American Biology Teacher (2008) 70 (6): 345–349.
Published: 01 August 2008
... way by him. The word "inheritance" appears only once in Mendel's 1866 paper (p. 12) where he discusses the variable intensity of the green color of cotyle- dons and concludes that this phenomenon is "not inherited by the offspring." The science of Mendelian genetics devel- oped after 1900 as the 1866...
Journal Articles
The American Biology Teacher (2006) 68 (2): 118.
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) 68 (2): 118–119.
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 (1998) 60 (5): 356–358.
Published: 01 May 1998
...- gestion by these four genotypes ap- pears in Table 1. Determining Monogenic Versus Polygenic Inheritance This experiment is conducted as above using offspring from a cross be- tween female glu+ /glu+ and male glu/ glu + individuals. Students can conduct the crosses by sparing some nymphs from the above...
Journal Articles
The American Biology Teacher (2001) 63 (3): 154–162.
Published: 01 March 2001
... consistent with modern genetics which has shown that, in contrast to the simplified understanding of Mendelian inheritance in garden peas and fruit flies that we teach to most high school biology students, the majority of human traits are polygenic (deter- mined in concert by several different genes) and...
Journal Articles
The American Biology Teacher (2000) 62 (4): 259–261.
Published: 01 April 2000
... "discrete" categories of out- comes. Mendel may have chosen such traits purposely to clarify pattems of inheritance. He began with 34 varieties of peas, settled on 7 that were suitable, and knowingly kept environmental conditions constant. The clarity of Mendel's work on single genes should not keep us from...