AP Biology – Part 2: Heredity, Gene Expression & Evolution

Complete Course Material | 30 Lectures (50 Minutes Each) | GyanAcademy

📋 Course Overview

📚 Detailed Lecture Breakdown

MODULE 1: Heredity (Lectures 1-8)

Lecture 1: Meiosis Review & Genetic Variation

• Review of Meiosis I and II stages
• Crossing over and independent assortment
• Random fertilization and genetic diversity
• Comparison with Mitosis
• Takeaway: Reinforcing how sexual reproduction generates variation.

Lecture 2: Mendelian Genetics & Monohybrid Crosses

• Gregor Mendel and the laws of inheritance
• Dominant vs. Recessive alleles
• Punnett Squares and probability rules
• Genotypic and Phenotypic ratios
• Takeaway: Mastering the fundamentals of single-trait inheritance.

Lecture 3: Dihybrid Crosses & Probability

• Law of Independent Assortment
• Setting up 16-square Punnett Squares
• Multiplication rule for independent events
• Analyzing two-trait inheritance patterns
• Takeaway: Analyzing inheritance of multiple traits simultaneously.

Lecture 4: Non-Mendelian Genetics: Incomplete Dominance & Codominance

• Blending phenotypes vs. simultaneous expression
• Examples: Snapdragons, Blood Types
• Punnett Square adjustments for non-Mendelian traits
• Takeaway: Understanding exceptions to simple dominance.

Lecture 5: Multiple Alleles & Blood Typing

• ABO Blood Group system
• Genotypes and Phenotypes of A, B, AB, O
• Universal donors and recipients
• Paternity testing applications
• Takeaway: Applying genetics to human health and identification.

Lecture 6: Sex-Linked Inheritance

• X and Y chromosome differences
• X-linked recessive traits (Colorblindness, Hemophilia)
• Pedigree analysis for sex-linked traits
• Carrier status and inheritance patterns
• Takeaway: Analyzing traits linked to sex chromosomes.

Lecture 7: Pedigree Analysis & Human Genetics

• Reading pedigree charts (Symbols, Generations)
• Determining inheritance modes (Autosomal Dominant/Recessive, X-linked)
• Genetic disorders: Cystic Fibrosis, Huntington’s, Sickle Cell
• Takeaway: Tracing genetic traits through family histories.

Lecture 8: Environmental Effects on Phenotype

• Nature vs. Nurture interactions
• Temperature-dependent sex determination
• Effect of soil pH on flower color
• Epigenetics overview
• Takeaway: Understanding how environment influences gene expression.

MODULE 2: Gene Expression & Regulation (Lectures 9-20)

Lecture 9: DNA Structure & Replication

• Double helix structure and base pairing rules
• Semi-conservative replication model
• Enzymes: Helicase, Primase, DNA Polymerase, Ligase
• Leading vs. Lagging strand (Okazaki fragments)
• Takeaway: Understanding how genetic information is copied.

Lecture 10: Transcription: DNA to RNA

• RNA types: mRNA, tRNA, rRNA
• Initiation, Elongation, Termination phases
• RNA Polymerase and promoter regions
• Post-transcriptional modification (5′ cap, Poly-A tail, Splicing)
• Takeaway: Analyzing the synthesis of RNA from DNA.

Lecture 11: Translation: RNA to Protein

• Genetic Code and Codons
• Ribosome structure and function
• Role of tRNA and Anticodons
• Initiation, Elongation, Termination of polypeptide chain
• Takeaway: Understanding how proteins are synthesized.

Lecture 12: Mutations & Genetic Change

• Point mutations: Silent, Missense, Nonsense
• Frameshift mutations: Insertion and Deletion
• Chromosomal mutations: Duplication, Inversion, Translocation
• Impact on protein function and phenotype
• Takeaway: Evaluating how DNA changes affect organisms.

Lecture 13: Prokaryotic Gene Regulation: Operons

• Operon structure: Promoter, Operator, Genes
• Trp Operon (Repressible)
• Lac Operon (Inducible)
• Negative control mechanisms
• Takeaway: Understanding how bacteria regulate gene expression.

Lecture 14: Eukaryotic Gene Regulation

• Transcription Factors and Enhancers
• Chromatin modification (Acetylation, Methylation)
• Cell specialization and differentiation
• Takeaway: Analyzing complex regulation in multicellular organisms.

Lecture 15: Biotechnology: DNA Manipulation

• Restriction Enzymes and DNA Ligase
• Gel Electrophoresis and DNA profiling
• Bacterial Transformation and Plasmids
• Takeaway: Understanding tools used to analyze and modify DNA.

Lecture 16: Biotechnology: PCR & Cloning

• Polymerase Chain Reaction (PCR) steps
• DNA sequencing methods
• Reproductive vs. Therapeutic cloning
• Ethical considerations
• Takeaway: Mastering techniques for amplifying and studying DNA.

Lecture 17: Biotechnology: Genetic Engineering

• Recombinant DNA technology
• Genetically Modified Organisms (GMOs)
• Applications in medicine (Insulin) and agriculture (Bt Corn)
• Risks and benefits analysis
• Takeaway: Evaluating the impact of genetic modification.

Lecture 18: Viral Structure & Replication

• Lytic vs. Lysogenic cycles
• Retroviruses and Reverse Transcriptase
• Bacteriophages and animal viruses
• Takeaway: Understanding how viruses exploit cellular machinery.

Lecture 19: Viruses & Genetic Variation

• Antigenic drift and shift
• Role of viruses in horizontal gene transfer
• Emerging diseases and pandemics
• Takeaway: Analyzing the evolutionary impact of viruses.

Lecture 20: Module 2 Review & Quiz

• Comprehensive review of Gene Expression & Biotechnology
• 15-question quiz (MCQs + Short Answer) with detailed solutions
• Self-assessment guide and focus areas for continued study
• Transition to Natural Selection & Evolution
• Takeaway: Ensuring mastery of molecular genetics before studying evolution.

MODULE 3: Natural Selection & Evolution (Lectures 21-27)

Lecture 21: Evidence for Evolution

• Fossil record and dating methods
• Homologous vs. Analogous structures
• Embryology and Vestigial structures
• Molecular evidence (DNA/Protein sequences)
• Takeaway: Evaluating the multiple lines of evidence supporting evolution.

Lecture 22: Natural Selection & Adaptation

• Darwin’s theory and Wallace’s contributions
• Variation, Heritability, Differential Survival
• Fitness and adaptation definitions
• Takeaway: Understanding the mechanism driving evolutionary change.

Lecture 23: Types of Selection

• Directional, Stabilizing, Disruptive Selection
• Graphical analysis of phenotype distributions
• Real-world examples (Peppered Moth, Antibiotic Resistance)
• Takeaway: Analyzing how selection pressures shape populations.

Lecture 24: Artificial Selection & Human Impact

• Domestication of plants and animals
• Selective breeding practices
• Consequences of reduced genetic diversity
• Takeaway: Understanding human-driven evolutionary change.

Lecture 25: Population Genetics & Hardy-Weinberg

• Gene pools and allele frequencies
• Hardy-Weinberg Equilibrium conditions
• p² + 2pq + q² = 1 and p + q = 1 calculations
• Takeaway: Using mathematics to analyze evolution in populations.

Lecture 26: Mechanisms of Evolution

• Genetic Drift (Bottleneck & Founder Effects)
• Gene Flow (Migration)
• Mutation as a source of variation
• Non-random mating
• Takeaway: Distinguishing between selection and other evolutionary forces.

Lecture 27: Phylogeny & Speciation

• Phylogenetic trees and cladograms
• Shared ancestral vs. Derived characters
• Prezygotic and Postzygotic barriers
• Allopatric vs. Sympatric speciation
• Takeaway: Understanding evolutionary relationships and species formation.

MODULE 4: Assessment & Exam Prep (Lectures 28-30)

Lecture 28: AP Biology FRQ Strategies: Genetics & Evolution

• Tackling Long FRQs involving data analysis
• Calculating Hardy-Weinberg and Chi-square
• Constructing evolutionary explanations
• Common pitfalls and point earning strategies
• Takeaway: Mastering the free-response section for Units 5-7.

Lecture 29: Part 2 Comprehensive Mock Test

• Simulated MCQ Section: 30 multiple-choice questions (Units 5-7)
• Simulated FRQ Section: 2 free-response questions
• Exam conditions: Timed practice to build stamina
• Answer key and scoring guidelines provided separately
• Takeaway: Experiencing exam conditions to identify strengths and weaknesses.

Lecture 30: Final Review, Exam Strategies & Course Completion

• Mock test solutions walkthrough and common error analysis
• Final review of key concepts (Mendel, Central Dogma, Selection)
• Course wrap-up: Key themes across Units 5-7
• Final pep talk, certificate distribution, and preview of Part 3
• Takeaway: Confidence, clarity, and readiness for Part 3 (Ecology & Final Prep).

📝 Part 2 Learning Outcomes

📦 What’s Included in Part 2

• 🎥 30 HD Video Lectures (50 Minutes Each)
• 📄 Lecture Notes PDF (Downloadable, concise summaries for review)
• ✍️ Practice Problem Sets (150+ questions with detailed solutions)
• 📊 Module Quizzes (4 quizzes with instant feedback)
• 📝 1 Part-Wise Test (Heredity through Evolution)
• 🎯 Genetics Workbook (Practice with Punnett Squares & HW Equations)
• 📚 Vocabulary Lists (Key terms for each module)
• 💬 Priority Doubt Support (Email/WhatsApp within 24 hours)
• 📜 Certificate of Completion (Part 2)