Inheritance 0.0 / 5 ? BiologyDNA, genetics and evolutionA2/A-levelAQA Created by: johnwreynoldsCreated on: 03-12-13 10:50 Gene A sequence of DNA bases that code for a protein, 1 of 9 Allele One or more alternative versions of the same gene. 2 of 9 Dominant An allele whose characterisitc appears in the phenotype even when their is only one copy. 3 of 9 Recessive An allele whose characterisitc appears in the phenotype if two copies are present. 4 of 9 Co-dominant 2 Dominant alleles that are both expressed in the phenotype. 5 of 9 Phenotype The expression of a genetic constitution. 6 of 9 Genotype The genetic constitution of an organism. 7 of 9 Homozygote An organism that carries the 2 copies of the same allele. 8 of 9 Heterozygote An organism that carries the 2 copies of different alleles. 9 of 9
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