Genetics' terms

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  • Created by: Viktorija
  • Created on: 25-02-13 17:02
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  • Genetics
    • Gene
      • a section of DNA that determines a single characteristic of an organism
      • Genotype
        • the genetic constitution of an organism
      • Alleles
        • one of the different forms of a gene
    • DNA
      • A sequence of nucleotide bases
    • Homologous chromosomes
      • chromosomes that occur in pairs
      • Homozygous
        • allele on each chromosome is the same
      • Heterozygous
        • the two alleles are different
      • Dominant
        • the allele of the heterozygote that expresses itself in the phenotype
      • Co-dominant
        • two alleles both contribute to phenotype
      • Recessive
        • not expressed in the phenotype in heterozygous state


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