Learn
Games
Chapter 2: Genetics and Evolution
You've not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.

Sections

  • 1

    Principles Of Inheritance And Variation

    This section explores the fundamental principles of heredity, variation, and Mendelian inheritance, alongside concepts like chromosomal inheritance and mutations.

  • 1.1

    Heredity And Variation

    This section explores heredity, the transmission of traits from parents to offspring, and variation, the differences among individuals that are crucial for evolution.

  • 1.2

    Mendelian Inheritance

    Mendelian inheritance involves the transmission of traits through generations based on Gregor Mendel's foundational laws of inheritance.

  • 1.3

    Deviations From Mendelism

    This section covers various genetic phenomena that deviate from Mendelian inheritance, including incomplete dominance, co-dominance, and polygenic inheritance.

  • 1.4

    Chromosomal Theory Of Inheritance

    The Chromosomal Theory of Inheritance asserts that genes are located on chromosomes and their behavior during meiosis determines inheritance patterns.

  • 1.5

    Sex Determination

    Sex determination in organisms is primarily defined by genetic mechanisms involving sex chromosomes, which differ among species.

  • 1.6

    Linkage And Crossing Over

    This section discusses linkage and crossing over, detailing how genes are inherited together based on their proximity on chromosomes and how genetic variations arise through recombination.

  • 1.7

    Mutation

    Mutation is a sudden, heritable change in the DNA sequence, creating genetic diversity.

  • 1.8

    Sex-Linked Inheritance

    Sex-linked inheritance involves traits associated with genes located on sex chromosomes, showing unique patterns of inheritance.

  • 1.9

    Genetic Disorders

    Genetic disorders result from mutations in genes or chromosomal anomalies and can significantly impact human health.

  • 2

    Molecular Basis Of Inheritance

    This section explores the molecular components of inheritance, focusing on DNA and RNA, their structures, and roles in genetic information transfer.

  • 2.1

    Search For Genetic Material

    This section examines historical experiments that identified DNA as the genetic material, exploring its structure and significance in biological inheritance.

  • 2.2

    Structure Of Dna And Rna

    This section covers the fundamental structures of DNA and RNA, highlighting their components and essential functions.

  • 2.3

    Dna Packaging

    DNA packaging involves how genetic material is organized in both prokaryotic and eukaryotic cells, highlighting the structural differences and the role of histone proteins.

  • 2.4

    Dna Replication

    DNA replication is a vital process where DNA makes a copy of itself during cell division.

  • 2.5

    Central Dogma

    The Central Dogma describes the flow of genetic information from DNA to RNA and then to proteins.

  • 2.6

    Transcription And Translation

    Transcription and Translation are the crucial processes by which genetic information from DNA is converted to functional proteins.

  • 2.7

    Genetic Code

    The genetic code is the set of rules that defines how the information in mRNA is translated into proteins.

  • 2.8

    Gene Expression And Regulation

    Gene expression and regulation are critical processes that govern how genetic information is utilized in cells, influencing the development of traits and responses to environmental changes.

  • 2.9

    Human Genome Project

    The Human Genome Project was a landmark initiative aimed at mapping all human genes, significantly advancing our understanding of genetics and human evolution.

  • 2.10

    Dna Fingerprinting

    DNA fingerprinting is a technique used to identify individuals based on unique patterns in their DNA.

  • 3

    Evolution

    This section covers the theories regarding the origin of life and evidence supporting the evolutionary processes that have shaped species over time.

  • 3.1

    Origin Of Life

    This section discusses the theories regarding the origin of life and provides evidence for evolution.

  • 3.2

    Evidences For Evolution

    This section discusses various evidences supporting the theory of evolution, including paleontological and anatomical evidence.

Class Notes

Memorization

Revision Tests

Chapter FAQs