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An Enhanced Genetic Approach to Composing Cooperative Learning Groups for Multiple Grouping Criteria
Peer reviewed
Direct linkHwang, Gwo-Jen; Yin, Peng-Yeng; Hwang, Chi-Wei; Tsai, Chin-Chung – Educational Technology & Society, 2008
Cooperative learning is known to be an effective educational strategy in enhancing the learning performance of students. The goal of a cooperative learning group is to maximize all members' learning efficacy. This is accomplished via promoting each other's success, through assisting, sharing, mentoring, explaining, and encouragement. To achieve…
Descriptors: Educational Strategies, Academic Achievement, Criteria, Cooperative Learning
Dierick, Ines; Baets, Jonathan; Irobi, Joy; Jacobs, An; De Vriendt, Els; Deconinck, Tine; Merlini, Luciano; Van den Bergh, Peter; Rasic, Vedrana Milic; Robberecht, Wim; Fischer, Dirk; Morales, Raul Juntas; Mitrovic, Zoran; Seeman, Pavel; Mazanec, Radim; Kochanski, Andrzej; Jordanova, Albena; Auer-Grumbach, Michaela; Helderman-van den Enden, A. T. J. M.; Wokke, John H. J.; Nelis, Eva; De Jonghe, Peter; Timmerman, Vincent – Brain, 2008
Distal hereditary motor neuropathy (HMN) is a clinically and genetically heterogeneous group of disorders affecting spinal alpha-motor neurons. Since 2001, mutations in six different genes have been identified for autosomal dominant distal HMN; "glycyl-tRNA synthetase (GARS)," "dynactin 1 (DCTN1)," "small heat shock 27 kDa…
Descriptors: Diseases, Patients, Genetics, Psychomotor Skills
Ewers, Michael; Zhong, Zhenyu; Burger, Katharina; Wallin, Anders; Blennow, Kaj; Teipel, Stefan J.; Shen, Yong; Hampel, Harald – Brain, 2008
The Apolipoprotein (ApoE) [epsilon]4 allele is a major genetic risk factor of Alzheimer's disease, and may affect the production of amyloid beta (A[beta][subscript 1-42]). Recently, we have shown that [beta]-secretase (BACE 1) activity can be reliably detected within the brain and human CSF. Here, we have examined an association between the ApoE…
Descriptors: Alzheimers Disease, Risk, Patients, Neurological Impairments
Mao, Rong; Pevsner, Jonathan – Mental Retardation and Developmental Disabilities Research Reviews, 2005
Mental retardation affects 2 to 3% of the US population. It is defined by broad criteria, including significantly subaverage intelligence, onset by age 18, and impaired function in a group of adaptive skills. A myriad of genetic and environmental causes have been described, but for approximately half of individuals diagnosed with mental…
Descriptors: Mental Retardation, Research Methodology, Genetics, Genetic Disorders
Guan, Min-Xin – Volta Review, 2005
The mitochondrial DNA (mtDNA) 12S rRNA is a hot spot for mutations associated with both aminoglycoside-induced and nonsyndromic hearing loss. Of those, the homoplasmic A1555G and C1494T mutations at a highly conserved decoding region of the 12S rRNA have been associated with hearing loss. These two mutations account for a significant number of…
Descriptors: Hearing Impairments, Genetics, Genetic Disorders, At Risk Persons
Sherman, Stephanie L.; Allen, Emily G.; Bean, Lora H.; Freeman, Sallie B. – Mental Retardation and Developmental Disabilities Research Reviews, 2007
Down syndrome (DS) is the most commonly identified genetic form of mental retardation and the leading cause of specific birth defects and medical conditions. Traditional epidemiological studies to determine the prevalence, cause, and clinical significance of the syndrome have been conducted over the last 100 years. DS has been estimated to occur…
Descriptors: Incidence, Ethnic Groups, Child Health, Down Syndrome
Fitzsimons, Peter John – Studies in Philosophy and Education, 2007
Fundamental differences between current and past knowledge in the field of biotechnology mean that we now have at our disposal the means to irreversibly change what is meant by "human nature". This paper explores some of the ethical issues that accompany the (as yet tentative) attempt to increase scientific control over the human genetic code in…
Descriptors: Role of Education, Genetics, Biotechnology, Psychology
Artiss, Thomas; Hughes, Bobby – American Biology Teacher, 2007
Carbon dioxide is an excellent alternative to conventional methods of anesthetizing fruit flies as it is non-flammable and odorless. We have devised a method of constructing carbon dioxide stages used to keep "Drosophila" immobilized cheaply and easily using empty micropipette tip containers. (Contains 6 figures.)
Descriptors: Science Activities, Entomology, Science Instruction, Science Materials
Calie, Patrick J.; Hicks, Emily Jean – American Biology Teacher, 2007
Using a standard exercise in "Drosophila" genetics as an introduction to a set of readily accessible bioinformatic tools.
Descriptors: Science Instruction, Teaching Methods, Molecular Biology, Genetics
Wendell, Douglas L.; Pickard, Dawn – CBE - Life Sciences Education, 2007
We have developed experiments and materials to model human genetics using rapid cycling "Brassica rapa", also known as Fast Plants. Because of their self-incompatibility for pollination and the genetic diversity within strains, "B. rapa" can serve as a relevant model for human genetics in teaching laboratory experiments. The experiment presented…
Descriptors: Genetics, Biodiversity, Data Interpretation, Laboratory Experiments
Van Borsel, John; Tetnowski, John A. – Journal of Fluency Disorders, 2007
The characteristics of various genetic syndromes have included "stuttering" as a primary symptom associated with that syndrome. Specifically, Down syndrome, fragile X syndrome, Prader-Willi syndrome, Tourette syndrome, Neurofibromatosis type I, and Turner syndrome all list "stuttering" as a characteristic of that syndrome. An extensive review of…
Descriptors: Stuttering, Genetic Disorders, Mental Retardation, Down Syndrome
de Beer, Jeremy – Bulletin of Science, Technology & Society, 2007
As the sciences of biotechnology, synthetic biology, and nanotechnology develop, questions about liability for harms caused by self-replicating inventions will arise increasingly often. Although negligence, nuisance, and other torts may be relevant in such circumstances, trespass may be the more appropriate cause of action. First, the author…
Descriptors: Intellectual Property, Biotechnology, Genetics, Molecular Biology
Baumgartner, Laura K.; Pace, Norman R. – Science Teacher, 2007
The ability to sequence genes has vastly altered our understanding of higher-level relationships among organisms such as those found at the kingdom level. It is important for biology teachers to incorporate these new views and not retain outdated concepts still present in some textbooks. This article provides an overview of our new understanding…
Descriptors: Textbooks, Classification, Biology, Science Instruction
Miller, Geoffrey F.; Penke, Lars – Intelligence, 2007
Most theories of human mental evolution assume that selection favored higher intelligence and larger brains, which should have reduced genetic variance in both. However, adult human intelligence remains highly heritable, and is genetically correlated with brain size. This conflict might be resolved by estimating the coefficient of additive genetic…
Descriptors: Genetics, Brain, Intelligence, Evolution
Download full textAltiparmak, Melek; Nakiboglu Tezer, Mahmure – Online Submission, 2009
Understanding life on a molecular level is greatly enhanced when students are given the opportunity to visualize the molecules. Especially understanding DNA structure and function is essential for understanding key concepts of molecular biology such as DNA, central dogma and the manipulation of DNA. Researches have shown that undergraduate…
Descriptors: Foreign Countries, Molecular Biology, Visualization, Models
