Unit 5: Introduction to Genetics and Heredity

The chapter provides an overview of genetics, covering fundamental terms and concepts such as heredity, inheritance, and the structure of DNA. It emphasizes the principles of Mendelian genetics and the use of Punnett squares to predict genetic outcomes, as well as the implications of genetic disorders and ethical considerations in genetics. Additionally, it engages students with activities designed to deepen their understanding of genetic inheritance and current genetic technologies.

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Sections

  • 1

    Basic Genetic Terminology And The Dawn Of Genetics

    This section introduces fundamental genetic terms and concepts, establishing a foundation for understanding the mechanisms of heredity.

  • 1.1

    Foundations Of Heredity – What Is Inherited?

    This section introduces key concepts of heredity, inheritance, and genetic terminology, explaining how traits are passed from parents to offspring.

  • 1.2

    The Master Molecule – Dna And Chromosomes

    This section discusses the structure and function of DNA, its role in heredity, and the significance of chromosomes.

  • 2

    Mendelian Genetics And Predicting Inheritance

    This section explores Mendelian genetics, focusing on how traits are inherited through genes, the differences between genotypes and phenotypes, and methods like Punnett squares to predict inheritance outcomes.

  • 2.1

    Mendelian Genetics – The Principles Of Inheritance

    This section discusses the foundational concepts of Mendelian genetics, including the ideas of dominant and recessive alleles, and the use of Punnett squares to predict the inheritance of traits.

  • 2.2

    Genotypes And Phenotypes – The Genetic Code Vs. The Observable Trait

    This section covers the distinction between genotypes and phenotypes in genetics, emphasizing how genetic makeup influences observable traits.

  • 2.3

    Punnett Squares – Predicting Genetic Outcomes

    This section focuses on the construction and interpretation of Punnett squares to predict genetic outcomes in monohybrid crosses.

  • 3

    Dna Structure, Inherited Diseases, And Ethical Considerations

    This section delves into the structure of DNA, its role in inherited diseases, and the ethical implications associated with genetic technologies.

  • 3.1

    Dna Structure In More Detail

    This section provides an in-depth exploration of DNA structure, delving into its double helix form, nucleotide components, and the processes that occur within its framework.

  • 3.2

    Inherited Diseases – When The Code Goes Wrong

    This section discusses inherited diseases caused by genetic abnormalities, their types, examples, and the ethical considerations involved in genetic testing.

  • 3.3

    Ethical Considerations In Genetics And Heredity

    This section explores the ethical implications arising from advancements in genetics and heredity, focusing on issues like genetic testing, discrimination, and privacy.

Class Notes

Memorization

What we have learnt

  • Heredity is the passing of ...
  • Mendelian genetics includes...
  • DNA is the genetic material...

Final Test

Revision Tests

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