分子遗传学Molecular Genetics
OSSD的SBI4U生物课程是一个全面而又具学习趣味性的科目。与传统教育不同的是OSSD的课程涉及面广泛，需要同学们的独立思考。
分子遗传学是在分子水平上研究生物遗传和变异机制的遗传学分支学科。经典遗传学的研究课题主要是基因在亲代和子代之间的传递问题；分子遗传学则主要研究基因的本质、基因的功能以及基因的变化等问题。分子遗传学的早期研究都用微生物为材料，它的形成和发展与微生物遗传学和生物化学有密切关系。
Molecular genetics is a branch of genetics that studies the mechanisms of biological inheritance and variation at the molecular level. The research topic of classical genetics is the transmission of genes between parents and offspring. Molecular genetics studies the nature, function and changes of genes. The early studies of molecular genetics all used microorganisms as materials, and their formation and development are closely related to microbial genetics and biochemistry.
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