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Heredity Vocabulary

Quiz by Sarah Grant-Kidd

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12 questions
Show answers
  • Q1
    The scientific study of heredity.
    Genetics
    30s
  • Q2
    The passing of traits from parent to offspring.
    Heredity
    30s
  • Q3
    A genetically determined characteristic that is passed from parent to offspring through genes.
    Trait
    30s
  • Q4
    A segment of DNA on a chromosome that codes for a specific trait.
    Gene
    30s
  • Q5
    One of the alternate forms of a gene that determines a characteristic. Ex. YY, Yy, yy
    Allele
    30s
  • Q6
    The form of a gene that is always seen (expresses) when present in an organism. Usually shown as the capital letter in a genotype. Ex. GG, Gg
    Dominant allele
    30s
  • Q7
    The form of a gene that is hidden when the dominant allele for a trait is present. Usually shown as the lowercase letter in a genotype. EX: hh, gg, yy
    Recessive allele
    30s
  • Q8
    An organism that has 2 different alleles for a trait. EX: Hh, Gg, Yy
    Heterozygous (Hybrid)
    30s
  • Q9
    An organism that has 2 of the same alleles for a trait. EX: DD, QQ, ee
    Homozygous (Purebred)
    30s
  • Q10
    An organism's appearance or other detectable characteristic. Use words. Ex. Blue eyes, Brown eyes
    Phenotype
    30s
  • Q11
    An organism's genetic makeup, or allele combination. Use a letter pair. Ex. GG, Gg, gg
    Genotype
    30s
  • Q12
    A threadlike, gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins.
    Chromosome
    30s

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