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Genetics revision

  • Game Code: 1533840
  •  English    36     Public
    A test for G10 high school biology testing: Meiosis, mendellian genetics, punnet squares, non-mendellian genetics, mutations and genes.
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  • The picture attached is an example of what kind of inheritance?
    Multiple alleles
    Incomplete dominance
    Polygenic inheritance
    Codominance
  •  25
  • Which of these strucures is not found in the operon structure?
    Promoter
    CAP site
    Operator
    Receiver
  •  25
  • Which mutation of these mutations can create a very big change in the final protein produced?
    Deletions
    Substitutions
    All of these
    Insertions
  •  25
  • Which is true regarding meiosis and mitosis?
    In the anaphase, chromosomes are arranged in the equator.
    In meiosis, chromosomes crossover and exchange material.
    Meiosis only has one phase.
    Gametes are produced by mitosis.
  •  25
  • What is the function of the lac operon?
    It is responsible for producing lactose digesting enzymes.
    it is responsible for producing lactose.
    None of these options.
    It is responsible for produced glucose digesting enzymes.
  •  25
  • What is the correct definition of inheritance?
    The traits of each generation.
    The phenotypes of parant generations.
    The phenotypes of offspring.
    The passing down of traits from parent to offspring.
  •  25
  • Diabetes has been found to be inherited (in some cases) through a recessive allele. What is the chance that a heterozygous father and a diabetic mother will have a diabetic child?
    50%
    100%
    0%
    25%
  •  25
  • Red-green colour blindness is sex-linked reccessive. A carrier female is crossed with a normal male, what percentage of offspring will have colour blindness?
    0%
    25%
    50%
    75%
  •  25
  • Under what conditions is the lactose digesting enzyme produced in a species with the lac operon?
    Glucose absent, lactose present.
    Glucose absent, lactose absent.
    Glucose present, lactose present.
    Glucose present, lactose absent.
  •  25
  • A point mutation occurs when...
    When a frameshift mutation occurs.
    A single base is changed?
    When a insertion occurs.
    A small piece of chromosome is changed.
  •  25
  • When does a nonsense mutation occurs?
    When a mutation produces a premature stop codon.
    When a mutation produces a frameshift mutation.
    When a mutation produces no visible effect.
    When a protein is changed by a mutation.
  •  25
  • A male with an extra X chromosome has what genetic condition?
    Klinefelters syndrome
    Down syndrome
    Turners syndrome
    Jacobs syndrome
  •  25
  • Which of the following is an example of a positive mutation for the affected species?
    Down syndrome
    Birthmarks
    Albinism
    Antibiotic resistance in bacteria.
  •  25
  • Which of the following is an example of a neutal mutation for the affected species?
    Redhair
    Dwarfism
    Albinism
    HIV resistance in humans
  •  25
  • In which scenario is a 4x4 punnet square needed?
    Polygenic cross
    Sex-linked cross
    Monohybrid cross
    Dihybrid cross
  •  25
  • Which of the following mutations will have the largest effect on an organism?
    Chromosomal duplication
    Non-disjunction of a chromosome pair
    Gene substitution
    gene deletion
  •  25
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