遗传学实验中SSR标记的应用实践     

庞晓明  李颖岳 《中国现代教育装备》2013,(19):52-54

该实验是科研成果转化为实验教学设计的一个成功案例,建立了植物DNA指纹检测和父本鉴定技术。通过本实验,学生可以掌握PCR技术、DNA提取和电泳检测等实验技术,巩固关于基因位点／等位基因、纯合体／杂合体、二倍体／三倍体、孟德尔遗传规律和DNA指纹图谱等多个（对）重要的遗传学概念,提高学生学习遗传学的兴趣。  相似文献   

以学生为主线的遗传学教学模式构建     

马景蕃  罗茂春  周孝琼 《福建师大福清分校学报》2013,(5):78-81

遗传学是一门综合性学科,随着高等教育改革的深入,其课程体系和教学内容也不断深化改革。文章阐述了在生物技术、生物科学专业遗传学精品课程建设中的思路和实践,围绕在教学中始终树立“以学生为本”的教学理念,提出了兴趣教学法、利用现代教育技术以及实验教学等方面的改革,探讨了遗传学教学改革的一些新思路和具体实践。  相似文献   

线粒体DNA的分子遗传学研究进展   总被引：5，自引：0，他引：5  

陈青  陈家琦 《天津体育学院学报》1997,12(3):16-20

有关线粒体ＤＮＡ（ｍｔＤＮＡ）的突变与人类疾病和衰老乃至肿瘤的关系日益受到人们的关注，研究表明，ｍｔＤＮＡ突变的积累与氧化损伤是人类线粒体遗传病与各种退行性疾病的分子基础。同时，在运动医学领域，研究人员也逐渐发现ｍｔＤＮＡ的遗传多态性是人类有氧耐力的一个有价值的遗传标记，其可作为不同反应群体的基因标志，成为科学选材的理想指标。  相似文献   

Domesticated Animals on Exhibit at the Museum of Comparative Zoology, 1900–1928     

Jenna Tonn 《Endeavour》2019,43(1-2):32-36

In 1905 the Museum of Comparative Zoology at Harvard University began planning for a new domesticated animals exhibition in honor of the 100th anniversary of the birth of its founder Louis Agassiz. The resulting displays of variation and heredity in poultry, pigeons, rabbits, mice, and guinea pigs proved surprisingly popular to museumgoers. Some of these specimens still exist in the museum’s storage facilities, namely a series of poultry donated by the biologist Charles B. Davenport and an elaborate set of guinea pigs from the experimental evolutionist William E. Castle. Situating these domesticated animal displays within academic and popular cultures of poultry fancying, animal breeding, and evolutionary science reveals how a nineteenth-century museum known for its ties to anti-evolutionary principles attempted to modernize its public exhibits.  相似文献   

遗传学实验中学生创新能力的培养研究     

高双成  王世华  王黎明  王彬  史国安 《洛阳师范学院学报》2008,27(2):127-128

遗传学实验是生物类及相关专业的必修课。为了提高学生的动手能力和创新意识的培养,本文分析了遗传学实验课中存在的问题,提出实验课程的教学优化方法,并建立了遗传学实验中创新能力的培养模式。  相似文献   

Data‐driven refinements of a genetics learning progression     

Moraima Castro‐Faix  Ravit Golan Duncan  Jinnie Choi 《科学教学研究杂志》2021,58(1):3-39

Learning progressions are theoretical models that describe learning of scientific ideas and practices over time. These hypothetical progressions need to be tested and refined in order to productively inform instruction and assessment. In this paper, we report our attempts to revise a learning progression in genetics. In particular, we focused on two constructs that embody core ideas in classical genetics and one molecular construct. The revisions are based on analysis of pre‐ and postinterview data obtained from sixty 11th grade students before and after they engaged in a 10‐week unit that addressed these concepts. We found that while many of the students held ideas that aligned with the progression, there were several distinct dimensions of student reasoning that were not captured and led to substantial revisions of the constructs including: (a) the splitting of the construct dealing with meiosis (E) into two subconstructs (E1‐physical passage of genetic information and E2 – the role of sex cells), (b) the addition of new levels to constructs dealing with the universal nature and organization of the genetic code (A) and construct (F). For Construct A, the lower levels were expanded to include ideas about the localization of DNA in cells and to include ideas about the composition of DNA that were not captured in the progression. Revisions to Construct F included the expansion of existing levels and the addition of modes of inheritance such as codominance and incomplete dominance. The research we present offers insights about a methodological approach that can be used to test and refine progressions, as well as insights about student learning in genetics as we further describe and expand the stepping‐stone ideas in the progression and discuss further the multidimensional nature of learning progressions.  相似文献   

医学遗传学国际化课程建设与适用型医学人才培养探索     

苏立宁  魏会平  朱登祥  李继红  尹海峰  宋小青 《教育教学论坛》2019,(2):194-195

针对医学遗传学国际化课程建设及适用型人才培养的问题,本文以河北北方学院医学遗传学课程为例,从课程目标和课程内容的优化、教学模式的优化及考核方式的优化三方面进行了探讨,并提出了改进性的意见,这将有利于进一步促进医学遗传学国际化课程建设,满足人才培养的需求。  相似文献   

Keiyo Cattle Raiding, Kechui Mathematics and Science Education: What do They Have in Common?     

Norman Thomson  Jepkorir Rose Chepyator-Thomson 《Interchange》2002,33(1):49-83

In the context of globalization, indigenous educational systems of endangered cultures are faced with extinction. Biologists recognize that biodiversity is dependent upon sustaining and promoting knowledge and values of indigenous cultures. Education researchers have a similar responsibility — to promulgate educational diversity before several thousand years of valuable educational knowledge is extirpated. This paper presents the Keiyo of Kenya who have a rich educational system. Its focus is on an indigenous game, Kechui (using calculations to sharpen your mind), based on cattle raiding, and the Keiyos' use of the game for learning mixed strategy-based probabilistic problem solving. Kechui may also have international potential for teaching probabilistic problem solving in contemporary mathematics and science, especially genetics.  相似文献   

遗传学发展的轨迹及其启示     

佘朝文 《怀化学院学报》2002,21(5):45-51

从遗传学产生和发展的四个主要阶段———遗传学的诞生、细胞遗传学的建立、分子遗传学的形成、分子遗传学的发展 ,以遗传学研究的思想发展和认识历程为主线 ,阐述了遗传学百余年来的发展轨迹 ,并分析了遗传学的发展给予我们的若干启示  相似文献   

人类STR标记的研究进展   总被引：4，自引：0，他引：4  

谢兆辉 《德州学院学报》2005,21(6):40-44

STR是由1～6个核苷酸的串联重复片段构成的,均匀分布于人类基因组中的简单重复序列,由于重复单位的重复次数在个体间呈高度变异性并且数量丰富、分布广且均匀、多态信息含量高、检测快速方便等特点,因此目前被广泛应用于人类基因定位、连锁分析、血缘关系鉴定、群体遗传学、系统发生树构建、遗传做图等方面.  相似文献