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homologous-chromosome

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<b>Homologous</b> <b>chromosome</b>.   Figure 3. <b>Homologous</b> <b>chromosome</b>.
Published: 01 April 2017
Figure 3. Homologous chromosome. Figure 3. Homologous chromosome. More
Journal Articles
The American Biology Teacher (2017) 79 (4): 305–308.
Published: 01 April 2017
...Figure 3. Homologous chromosome. Figure 3. Homologous chromosome. ...
Images
An example illustration of <b>homologous</b> <b>chromosomes</b> that incorporates the Mol...
Published: 01 May 2020
Figure 7. An example illustration of homologous chromosomes that incorporates the Molecular, Informational, and Chromosomal levels. More
Journal Articles
The American Biology Teacher (2020) 82 (5): 296–305.
Published: 01 May 2020
...Figure 7. An example illustration of homologous chromosomes that incorporates the Molecular, Informational, and Chromosomal levels. ...
Images
Structure of a CRISPR gene 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 More
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Normal vs. gene-drive-based inheritance. ( A ) One of the original parents ...
Published: 01 May 2020
the original parents is heterozygous for the gene of interest, which is located within a gene drive. The gene drive copies the drive and gene of interest into the other homologous chromosome, thus making the parent homozygous. As such, the gene drive is passed to 100% of the offspring. The offspring More
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The DNA Triangle framework applied to meiosis. The concept of how proper Se...
Published: 01 May 2020
Figure 1. The DNA Triangle framework applied to meiosis. The concept of how proper Segregation is achieved links the Molecular and Chromosomal levels; the concept of Homology links the Informational and Molecular levels; and the concept of Ploidy links the Informational and Chromosomal levels More
Journal Articles
The American Biology Teacher (2020) 82 (5): 279–288.
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...
Journal Articles
The American Biology Teacher (2019) 81 (9): 610–617.
Published: 01 December 2019
... eggs) – that contain only one member from each chromosome pair in the parent cell ( National Research Council, 2012 , 2013 ). HS-M 1.1 Meiosis undergoes a single round of chromosome replication followed by two rounds of cell division: Meiosis I and Meiosis II. HS-M 1.2 In Meiosis I, homologous...
Journal Articles
The American Biology Teacher (2020) 82 (5): 315–322.
Published: 01 May 2020
... cell, the cell will immediately attempt to repair the break. One method of repair is NHEJ, as described above. But the preferred option is HDR. Most eukaryotic cells are diploid (i.e., every chromosome is part of a homologous pair of chromosomes containing similar genetic information). If one member of...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2019) 81 (2): 98–109.
Published: 01 February 2019
... will not be parity among males and females (as male students are outnumbered by female students). For each group, 8 students will be given the number 1-4 to represent different chromosomes in the hypothetical genome. Two students with the same number will act as homologous pairs of chromosomes. Two...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2019) 81 (2): 79–87.
Published: 01 February 2019
... : Freeman . Graur, D. & Li, W.H. ( 2000 ). Fundamentals of Molecular Evolution , 2nd ed. Sunderland, MA : Sinauer Associates . Hall, B.K. ( 1994 ). Homology: The Hierarchical Basis of Comparative Biology . San Diego, CA : Academic Press . Hamilton, M.B. ( 2009 ). Population...
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Modeling meiosis during the first activity. (A) Display of what students ge...
Published: 01 January 2014
Figure 1. Modeling meiosis during the first activity. (A) Display of what students get as chromosomes of a germ cell: 2 sets of duplicated homologous chromosomes and 1 pair of sex chromosomes. (B) Cutting the chromosomes. (C) Tetrad formation during prophase I: homologous chromosomes arranged as More
Journal Articles
The American Biology Teacher (2018) 80 (8): 619–624.
Published: 01 October 2018
... the function of the gene in different taxa ( Figure 4 ). to localize their target gene(s) within the chromosome, to identify the genomic features of the flanking regions, to determine gene homologies with selected taxa, and concepts such as synteny, homology, insertions, deletions...
Includes: Supplementary data
Journal Articles
The American Biology Teacher (2018) 80 (9): 642–648.
Published: 01 November 2018
... ( 11 ), 741 – 754 . http://doi.org/10.1038/nrm2777 Chen, X. , Shi, S.-P. , Xu, H.-D. , Suo, S.-B. , & Qiu, J.-D. ( 2016 ). A homology-based pipeline for global prediction of post-translational modification sites . Scientific Reports , 6 , 25801 . doi: 10.1038/srep 25801 Chini...
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Double-Spring Model for demonstrating meiosis in the classroom. (A) Prophas...
Published: 01 April 2012
Figure 2. Double-Spring Model for demonstrating meiosis in the classroom. (A) Prophase of the cell: co-orientation of homologous chromosomes contacted with two springs from opposite poles, which will move to the equator because of the different lengths of the two springs. (B) Metaphase: the More
Journal Articles
The American Biology Teacher (2018) 80 (8): 561–569.
Published: 01 October 2018
... important in the regulation of differential growth between organs. Eukaryotic gene expression involves the transcription of a gene sequence from the nuclear chromosome, then nuclear processing of the resulting messenger RNA, followed by exportation of the RNA to the cytoplasm, where translation of the...
Journal Articles
The American Biology Teacher (2017) 79 (9): 787–791.
Published: 01 November 2017
...............................6:496-TT History of science, of biology............................7:525-F, 7:525-OL Homologous chromosome............................4:305-TT Hormones............................7:584-I Household chemicals............................5:407-TT Identification tests...
Journal Articles
The American Biology Teacher (2017) 79 (6): 482–491.
Published: 01 August 2017
...) Activity wrap up and model extensions (20 minutes) Homologous pair (#21) in the gamete failed to separate during meiosis I. Sister chromatids (#21) failed to separate during meiosis II. Cohesin was not able to be broken down by separase. Three copies of chromosome 21 were made in S phase...
Journal Articles
The American Biology Teacher (2017) 79 (4): 282–287.
Published: 01 April 2017
... be readily detected. The slbo gene is on the second chromosome. The slbo fly stock carries two homologous chromosomes. One has the enhancer trap mutation inserted next to the slbo gene. The other has no insertion, has a wild-type slbo gene, meaning that it has a normally functioning copy...