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genetics y11 cb1.3

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  • Meiosis
    Cell division that creates gametes (sperm and eggs) which have half the number of chromosomes
  • different version of a gene, each version occupies the same position (loci) on homologous chromosomes.
    Allele
  • Mitosis
    cell division that occurs in all cells except gametes. For growth and repair. .
  • variation
    The differences among parents and their offspring, among individuals of a population or between different species.
  • species
    a group of organisms that can reproduce with one another in nature and produce fertile offspring.
  • species
    a group of organisms that can reproduce with one another in nature and produce fertile offspring.
  • The specific outcome of a characteristic, E.g. Blue eyes, Brown hair.
    trait
  • A permanent change in the DNA sequence of the bases of a gene.
    mutation
  • Meiosis
    Cell division that creates gametes (sperm and eggs) which have half the number of chromosomes
  • A length of DNA that codes for a particular characteristic (protein) E.g. Eye colour.
    gene
  • pure breeding
    A homologous genotype. It only has one type of gene. Either dominant or recessive.
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