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Genetics Exam Content
What's included
The Genetics section of Biology specifications covers the principles of inheritance, including monohybrid and dihybrid crosses, dominant and recessive alleles, codominance, and sex linkage. It explores the structure and function of DNA, gene expression, and the role of transcription and translation in protein synthesis. Students also learn about mutations, genetic variation, and how natural selection drives evolution. Additionally, the section includes applications of genetics, such as genetic engineering, gene therapy, and ethical considerations in genetic research.
Populations and Sustainability Exam Content
What's included
The Populations and Sustainability section covers how ecosystems function and how populations interact with each other and their environment. Students learn about population growth, limiting factors, and the use of population growth curves. The section also includes intraspecific and interspecific competition, predator-prey relationships, and the principles of conservation and preservation. It explores the sustainable management of ecosystems, including case studies such as small-scale timber production, fishing quotas, and the role of ecological succession in maintaining biodiversity.
