English (UK)

Biology

Knowledge Organisers - WJEC GCSE Biology Unit 2

United Kingdom

Ronnie Kodiyan

Exploring the key definitions as well as punnet squares with genetic variants and phenotypes alongside an intro to point mutations

Dive into the fundamentals of genetics with a focus on alleles, genotypes, and phenotypes. This summary covers dominant and recessive traits, homozygous and heterozygous genotypes, and the role of point mutations in genetic variation. Ideal for students studying genetics and inheritance.

Genetic Variants & Alleles

Alleles

🥑 Jana 🥑

Allele

Explore essential forensic search techniques including Line, Grid, Wheel, Spiral, and Quadrant methods. This summary outlines how each method is applied in crime scene investigations to ensure thorough evidence collection without contamination. Ideal for students studying forensic science and crime scene investigation.

Forensic Search Techniques

Combined Science

Forensic Science Search Patterns

emilie

Complex Patterns of Inheritance

AQA A Level Biology Topic 7 revision notes

Explore key concepts in population dynamics, competition, and genetic inheritance with this comprehensive summary. Covering biotic and abiotic factors, intraspecific and interspecific competition, epistasis, autosomal linkage, and speciation, this resource is essential for AQA A Level Biology students. Enhance your understanding of how species interact and evolve within ecosystems.

Population Dynamics & Genetics

AQA A Level Biology Topic 7

Frances Lewis

Crossing over

Monohybrid, Dihybrid, Sex linked, linkage, recombinant genes 

Explore key concepts of genetic inheritance including monohybrid and dihybrid crosses, sex-linked traits, linkage, and recombination. This summary provides essential insights into genotype, phenotype, and Mendelian ratios, along with practical examples and Punnett square applications. Ideal for students studying genetics.

Genetic Inheritance Concepts

Inheritance 

sophie

Revision notes based on EDUQAS A Level biology specification for component 2 inheritance topic

Comprehensive overview of genetics and inheritance for EDUQAS A Level Biology. This resource covers key concepts such as Mendelian genetics, sex-linked traits, mutations, and patterns of inheritance including monohybrid and dihybrid crosses. Ideal for revision and understanding complex genetic principles.

Genetics and Inheritance Overview

Inheritance revision notes for EDUQAS A level biology

Molly Gowar

Dihybrid Cross

DNA and chromosomes 

woodsfordlloydgrace

What is inheritance? Dominant vs recessive, alleles, homozygous vs heyerozygous, phenotype vs genotype 

Explore the fundamentals of genetic inheritance, including dominant and recessive alleles, the distinction between homozygous and heterozygous genotypes, and the relationship between phenotype and genotype. This summary provides a clear overview of Mendelian genetics, ideal for students studying variation and inheritance.

Genetic Inheritance Explained

what is inheritance? dominant vs recessive, alleles, homozygous vs heyerozygous, phenotype vs genotype 

Note

English

inheritance 

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jasmine

Dominant Allele

Introduction, definition, concepts, genetics, inheritance 

Explore the fundamental concepts of heredity, including genes, chromosomes, and inheritance patterns. This summary covers Mendelian genetics, genetic variation, and applications in medicine and agriculture, providing a comprehensive overview for students studying genetics.

Understanding Heredity Basics

The Concept of Heredity 

Ummi

Heredity

Notes on the history of genetics for GCSE Biology. 

Explore the foundational principles of Mendelian genetics, including dominant and recessive alleles, the law of segregation, and monohybrid crosses. This summary covers key experiments by Gregor Mendel, patterns of inheritance, and the use of Punnett squares for predicting genetic outcomes. Ideal for GCSE Biology students.

Mendelian Genetics Overview

History of Genetics Notes

Luke

A concise summary on Gregor Mendel - the Founding Father of Genetics - and his findings.

Explore the foundational principles of Mendelian genetics through Gregor Mendel's groundbreaking experiments with pea plants. This summary covers key concepts such as the Law of Dominance, Law of Segregation, and Law of Independent Assortment, along with Mendel's methodology and significant findings in genetic inheritance. Ideal for students studying genetics and heredity.

a concise guide on gregor mendel - the founding father of genetics - and his findings.

gregor mendel research sheet

Gregor Mendel Research Poster

Lara <3

His method/experiments, genetic diagrams, findings, and discoveries after his work.

Explore Gregor Mendel's groundbreaking experiments with pea plants that established the principles of genetic inheritance. This summary covers key concepts such as dominant and recessive alleles, the law of segregation, and the significance of Mendel's findings in modern genetics. Ideal for students studying genetics and inheritance patterns.

his method/experiments, genetic diagrams, findings, and discoveries after his work.

gregor mendel and the foundation of genetics

Gregor Mendel and the Foundation of Genetics

Nona

Mendelian Genetics

Explore the principles of genetic variation and inheritance, including monohybrid crosses, Punnett squares, and key genetic terms such as allele, genotype, and phenotype. This summary covers discrete and continuous variation, Mendelian genetics, and the impact of dominant and recessive alleles on inheritance patterns. Ideal for N5 biology students preparing for exams.

Genetic Variation & Inheritance

variation and inheritance

Molly Hutton

Monohybrid Cross

Explore the concept of sex linkage in genetics, focusing on X-linked traits such as hemophilia and color blindness. This summary covers the inheritance patterns of sex chromosomes, the implications for males and females, and the expression of recessive alleles. Ideal for A-level Biology students seeking to grasp genetic disorders and their familial transmission.

Understanding Sex Linkage

A level Biology- Sex Linkage

Sex-linked Traits

Fundamental mechanisms and variations of genetic inheritance, including Mendelian laws and complex inheritance patterns.

Inheritance Patterns and Principles

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