continuous variation - variation where there is a maximum and minimum value for a trait, and the trait can have any value inbetween, discontinuous variation - variation where the trait can be split into clear cut groups , gene - a section of DNA that codes for a protein, allele - different forms of a gene, phenotype - the physical appearance of a trait, genotype - the two alleles present for a particular trait, homozygous - individuals that have two of the same alleles present for a trait in their genotype, heterozygous - individuals that have two different alleles present in their genotype for a particular trait, dominant - An allele that always shows in the phenotype if it is present in the genotype, recessive - an allele that only shows in the phenotype if there are two copies of it in the genotype,

S3 BGE 3.4 Inheritance Key Terms

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