genetics short quiz on some genetics 3.5 / 5 based on 3 ratings ? BiologyDNA, genetics and evolutionA2/A-levelAll boards Created by: chad higginsCreated on: 24-03-11 18:52 sickle cell anaemia is caused by what kind of mutation? substitution 1 of 5 what is a phenotype? expression of the alleles of the genotype, giving observable traits 2 of 5 what is a gene mutation? an unpredictable change to the coding of a gene 3 of 5 why might a substitution mutation have no affect on the polypeptide produced? the altered triplet could still code for the same amino acid 4 of 5 what is a genotype? alleles present in an individual or cell 5 of 5
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