Genetics is a key topic in Form Four Biology, focusing on inheritance and variation in organisms. This PDF note presents simplified explanations of important concepts such as genes, alleles, genotype, and phenotype, making it easier to understand how traits are passed from parents to offspring.
The notes also cover dominant and recessive genes, homozygous and heterozygous conditions, and different types of genetic crosses including monohybrid and dihybrid crosses. In addition, you will learn about genetic materials (DNA and RNA) and their role in carrying hereditary information.
Designed for exam preparation, this material highlights core definitions, clear examples, and structured content for quick revision.
Download the full PDF below and strengthen your understanding of Genetics for exams.
