UK GCSE level age ~14-16, ~US grades 9-10 Biology revision notes
Genome: 1. The connection between DNA, genes, alleles, chromosomes, genotypes, phenotypes and genome
Doc Brown's Biology exam study revision notes
There are various sections to work through, after 1 they can be read and studied in any order.
(1a) The connection between DNA, genes, alleles, genotypes, phenotypes, chromosomes and the genome
For more on structure of DNA see DNA and Protein Synthesis
For much more on mutations and variants see Genetic variation and mutations
and section on variation in Evolution - theory, variation, speciation, new/old species & extinctions
(1b) Genetic instructions and the characteristics of an organism
For more see
Summary of learning objectives and key words or phrases
What is a gene? What is a chromosome? What is the human genome?
What are alleles? What is the difference between genotype and phenotype?
Understand the connection, and differences between DNA, genes, alleles, chromosomes, genotypes, phenotypes and genome.
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Basic Science Quizzes for UK KS3 science students aged ~12-14, ~US grades 6-8
Advanced Level Chemistry for pre-university age ~16-18 ~US grades 11-12, K12 Honors
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