level: 18.2 Variation in phenotype
Questions and Answers List
level questions: 18.2 Variation in phenotype
Question | Answer |
---|---|
What causes genetic variation | - Due to meiosis: - Random assortment of HC - Crossing over of non sister cromatids - Independent segregation - Mutations |
How do mutations cause variation in the phenotype | - Mutation is the random change of the order of base sequence in DNA - Different codons - The base sequence determines the sequence of amino acids - The sequence of amino acids determine the primary structure of the protein - Primary structure determines the tertiary structure - Determines shape of protein = determines function |