Genetics terminology definitions of genetic terminology 3.0 / 5 based on 1 rating ? BiologyDNA and inheritanceGCSEAll boards Created by: Aurelie TackCreated on: 24-03-10 10:21 the genetic compostiton of an organism. It is the sum total of all alleles present. Genotype 1 of 5 A physical expression of the genotype. it is expressed as a word Phenotype 2 of 5 any allele that is always expressed in the phenotype in an organism dominant 3 of 5 an allele that is only expressed in the phenotype of the organism if the dominant allele is not expressed recessive 4 of 5 A section of a chromosome that codes for a particular characteristics gene 5 of 5
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