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gene-expression

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Journal Articles
The American Biology Teacher. 2015; 776452–457 doi: https://doi.org/10.1525/abt.2015.77.6.452
Published: 01 August 2015
... transcription translation DNA gene expression heredity Figure 3. Poster-size images with phrases, questions, and sticky notes to indicate structures, processes, new ideas, and descriptions can be used to anchor class discussions at any point along the process of tying concepts together. Prompting...
Journal Articles
The American Biology Teacher. 2011; 737418 doi: https://doi.org/10.1525/abt.2011.73.7.9
Published: 01 September 2011
... they did not include in the final product would be considered introns. Including intron letters demonstrates to students that not all DNA is expressed, an important concept that high school students may not grasp immediately as they learn gene expression. Complementarity and antiparallel strands...
Journal Articles
The American Biology Teacher. 1998; 604288–290 doi: https://doi.org/10.2307/4450474
Published: 01 April 1998
...). Microbiology: An Introduction, 5th ed. Redwood City, CA: Ben- jamin/Cummings. Tortora 5 Microbiology: An Introduction 1995 [Footnotes] 1 Micklos & Freyer 1990 How-To-Do-It Now You See It, Now You Don't! Making Regulation of Gene Expression Come Alive for All Students David L. Brock...
Journal Articles
The American Biology Teacher. 1993; 55138–41 doi: https://doi.org/10.2307/4449575
Published: 01 January 1993
... Quick, Easy, Invesgative Laboratory for Studying the Control of Gene Expression Rodney P. Anderson Although the study of gene regula- tion began in organisms like bacteria, viruses and fungi which are relatively simple genetically, recent develop- ments have enabled researchers to elu- cidate the...
Journal Articles
The American Biology Teacher. 2013; 759698–703 doi: https://doi.org/10.1525/abt.2013.75.9.12
Published: 01 November 2013
...Sibani Sengupta RNA interference (abbreviated RNAi) is a relatively new discovery in the field of mechanisms that serve to regulate gene expression (a.k.a. protein synthesis). Gene expression can be regulated at the transcriptional level (mRNA production, processing, or stability) and at the...
Journal Articles
The American Biology Teacher. 2017; 794282–287 doi: https://doi.org/10.1525/abt.2017.79.4.282
Published: 01 April 2017
... understand how genes regulate cell migration. Students learn to sort males from females, recognize fly genetic markers to identify wild type and mutant animals, hand-dissect ovaries, perform histochemical staining to reveal gene expression in this tissue, and visualize normal and aberrant cell migration...
Journal Articles
The American Biology Teacher. 2014; 766365–369 doi: https://doi.org/10.1525/abt.2014.76.6.3
Published: 01 August 2014
...Dina Drits-Esser; Molly Malone; Nicola C. Barber; Louisa A. Stark Epigenetics is the study of how external factors and internal cellular signals can lead to changes in the packaging and processing of DNA sequences, thereby altering the expression of genes and traits. Exploring the epigenome...
Journal Articles
The American Biology Teacher. 2018; 803168–174 doi: https://doi.org/10.1525/abt.2018.80.3.168
Published: 01 March 2018
... chemically to affect gene expression or suppression and how it can be passed down through the generations, and the variety of biomedical careers students could pursue. The labs are designed to be open-ended and inquiry-based, and extensions to the experiments are provided so that students can explore...
Journal Articles
The American Biology Teacher. 2017; 793208–223 doi: https://doi.org/10.1525/abt.2017.79.3.208
Published: 01 March 2017
... guide students through hypothesis-driven experiments, and range from simple manipulations aimed at high school students (e.g., planarian husbandry, feeding, and cutting experiments) to gene expression and protein function analyses suitable for college students. Regeneration time courses, the more...
Journal Articles
The American Biology Teacher. 2018; 804305–307 doi: https://doi.org/10.1525/abt.2018.80.4.305
Published: 01 April 2018
...Regina Wu; Caren Brinkema; Michaela Peterson; Adam Waltzer; Jeanne Chowning Arts-related science activities provide unique opportunities to engage students' strengths and motivate different types of learners ( Jolly, 2014 ). Incorporating arts into the discussion of gene expression and microbiology...
Journal Articles
The American Biology Teacher. 2018; 802140–142 doi: https://doi.org/10.1525/abt.2018.80.2.140
Published: 01 February 2018
... for this individual and determine the phenotype of their offspring. The randomness generated by the coin and dice mechanics illustrates the principles of independent assortment and segregation, variable gene expression, and environmental effects. © 2018 National...
Journal Articles
The American Biology Teacher. 2013; 759708–709 doi: https://doi.org/10.1525/abt.2013.75.9.14
Published: 01 November 2013
...Christine Priano This model-building activity provides a quick, visual, hands-on tool that allows students to examine more carefully the cloverleaf structure of a typical tRNA molecule. When used as a supplement to lessons that involve gene expression, this exercise reinforces several concepts in...
Journal Articles
The American Biology Teacher. 2012; 744213–223 doi: https://doi.org/10.1525/abt.2012.74.4.3
Published: 01 April 2012
... are reversible, a characteristic that opens unprecedented therapeutic avenues, exemplified by the first epigenetic drugs that were recently approved. Understanding the combined contribution of genetic and epigenetic factors to gene expression will be essential to dissect the biological networks...
Journal Articles
The American Biology Teacher. 2010; 724221–222 doi: https://doi.org/10.1525/abt.2010.72.4.3
Published: 01 April 2010
...Migdalisel Colóón-Berlingeri Epigenetics involves heritable changes in gene expression that do not involve alterations in the DNA sequence. I developed an active-learning approach to convey this topic to students in a college genetics course. I posted a brief summary of the topic before class to...
Images
How <b>Genes</b> Are <b>Expressed</b>.   Figure 6. How <b>Genes</b> Are <b>Expressed</b>.
Published: 01 February 2016
Figure 6. How Genes Are Expressed. Figure 6. How Genes Are Expressed. Figure 6. How Genes Are Expressed. Figure 6. How Genes Are Expressed. More
Journal Articles
The American Biology Teacher. 1980; 424238–239 doi: https://doi.org/10.2307/4446909
Published: 01 April 1980
...- ruses and protists. New York: Plenum Press. King Handbook of genetics. Volume 2: Plants, plant viruses and protists 1974 NOVITSKI, E., and BLIXT, S.1978. Mendel, linkage and synteny. Bio- Science28:34. 10.2307/1307484 34 How-to-do-it Demonstrating the Anatomical Expression of Two Genes...
Journal Articles
The American Biology Teacher. 2015; 777526–531 doi: https://doi.org/10.1525/abt.2015.77.7.7
Published: 01 September 2015
... a true research project. Students work through a 10-step experimental design culminating in the construction, expression, and visualization of microtubules fused to green fluorescent protein in baker's yeast. The steps of this project include the isolation of the tubulin gene from yeast genomic DNA...
Journal Articles
The American Biology Teacher. 2014; 769576–581 doi: https://doi.org/10.1525/abt.2014.76.9.2
Published: 01 November 2014
... both alleles are not expressed; therefore, traditional dominance relationships for X-linked genes do not exist either. Even though no single cell is functionally heterozygous, an XX female can be heterozygous as a whole, but with a crucial difference. In an autosomal (non-sex-chromosome...
Images
Sample student grouping (top three images: hierarchy of structure) and sequ...
Published: 01 August 2015
Figure 2. Sample student grouping (top three images: hierarchy of structure) and sequence (bottom four images: process of gene expression) of frames as a possible iteration of a “story” or description of cell structure and scale along with protein synthesis. Two sets of comments are used to show Figure 2. Sample student grouping (top three images: hierarchy of structure) and sequence (bottom four images: process of gene expression) of frames as a possible iteration of a “story” or description of cell structure and scale along with protein synthesis. Two sets of comments are used to show More
Images
Structure of a CRISPR <b>gene</b> drive. ( A ) The drive is initially present in o...
Published: 01 May 2020
Figure 8. Structure of a CRISPR gene drive. ( A ) The drive is initially present in one of the homologous chromosomes. The drive expresses the Cas9 enzyme and guideRNA, which form a CRISPR-Cas9 complex. ( B ) The enzyme complex cuts the other homologous chromosome at the designated target Figure 8. Structure of a CRISPR gene drive. ( A ) The drive is initially present in one of the homologous chromosomes. The drive expresses the Cas9 enzyme and guideRNA, which form a CRISPR-Cas9 complex. ( B ) The enzyme complex cuts the other homologous chromosome at the designated target More