NEETBiologyClass 12

Genetics and Evolution

Free cheatsheet for Genetics & Evolution (NEET). Mendel's laws, linkage, crossing over, Hardy-Weinberg, natural selection.

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What you get for “Genetics and Evolution

One-Page Cheatsheet

All key formulas, definitions & concepts for Genetics and Evolution — downloadable as PDF

5-Min Audio Podcast

Two-speaker summary you can listen to during commute or before sleep

10 Killer MCQs

Exam-pattern questions on Genetics and Evolution with detailed explanations

Mind Map

Visual concept map showing how ideas connect — great for revision

Flashcards

Spaced repetition flashcards to memorize key facts and formulas

AI Comic & Video

Animated explainer video and illustrated comic for visual learners

Key Concepts Covered in This Cheatsheet

Mendel's Laws & Punnett squares
Monohybrid (3:1) & Dihybrid (9:3:3:1) cross
Linkage, recombination & crossing over
Incomplete dominance & co-dominance (ABO blood group)
Sex-linked inheritance: haemophilia, colour blindness
Pedigree analysis (autosomal & X-linked)
Hardy-Weinberg principle: p² + 2pq + q² = 1
Darwin's theory of natural selection
Evolutionary evidence: fossils, homology, molecular
Human evolution timeline

Genetics and Evolution Notes for NEET Class 12 — Free AI Cheatsheet

Genetics and Evolution is one of the highest-yielding chapters in NEET Biology — 8-10 questions (32-40 marks) every year across Classical Genetics, Molecular Genetics, and Evolution. Mastering this chapter alone can swing your NEET score by 30+ marks, making it non-negotiable for aspirants targeting AIIMS, JIPMER, and top government medical colleges.

NEET frequently tests pedigree analysis, sex-linked inheritance (haemophilia and colour blindness are both X-linked recessive), and ABO blood group genetics (co-dominance between I^A and I^B, both recessive to i). Our AI cheatsheet presents the ABO genotype-phenotype mapping as a single table plus pedigree symbols (affected male, carrier female, consanguineous marriage) with example pedigrees for autosomal dominant, autosomal recessive, and X-linked inheritance patterns.

Evolution topics include the Hardy-Weinberg principle (p² + 2pq + q² = 1), Darwin's theory of natural selection, industrial melanism (Biston betularia peppered moth), and human evolution (Australopithecus → Homo habilis → Homo erectus → Homo sapiens). The cheatsheet organizes all evolutionary evidence — fossils, homologous organs, vestigial organs, analogous organs, and molecular evidence — with NEET-specific examples and high-probability MCQs.

Why students prefer Coachingle for Genetics and Evolution

  • Exam-focused: Every formula and concept is selected based on what NEET actually asks — no filler
  • One-page PDF: Print it, stick it on your wall, revise in minutes
  • 8 formats: Cheatsheet + audio + MCQs + mind map + flashcards + slides + comic + video
  • Free daily: 10 generations per day, no signup required

Whether you're preparing for NEET 2026 or 2027, Coachingle adapts to the latest syllabus. Generate your free Genetics and Evolution study material now — it takes 30 seconds, and you'll wonder how you studied without it.

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Frequently Asked Questions — Genetics and Evolution

How many questions come from Genetics and Evolution in NEET?
Genetics and Evolution contributes 8-10 questions (32-40 marks) in NEET UG every year, making it the highest-weightage chapter in Biology. Topics tested include Mendelian inheritance, pedigree analysis, sex-linked disorders, ABO blood group genetics, Hardy-Weinberg principle, Darwinian evolution, and human evolution.
What is the Hardy-Weinberg principle formula for NEET?
The Hardy-Weinberg equation is p² + 2pq + q² = 1, where p² = frequency of homozygous dominant genotype, 2pq = frequency of heterozygous genotype, and q² = frequency of homozygous recessive genotype. Also p + q = 1 (allele frequency sum). This gives expected genotype frequencies in a stable population with no evolution.
How to solve pedigree problems in NEET Biology?
Step 1: identify the inheritance pattern — autosomal dominant (trait in every generation), autosomal recessive (skips generations with normal parents), X-linked recessive (males affected more, trait passed mother → son). Step 2: assign genotypes starting from affected individuals and work outward. Coachingle's cheatsheet includes 3 worked pedigree examples covering every NEET pattern.

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