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Quiz: Punnett Squares

Quiz by Philip Gasser

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10 questions
Show answers
  • Q1
    According to Mendel, alleles are either dominant or recessive. Based on Mendel's law of dominance...
    Dominant and recessive alleles are treated the same way when determining the phenotype of an organism.
    Dominant alleles are only the phenotype if recessive alleles are absent.
    Dominant alleles are never shown in the phenotype.
    Dominant alleles are always the phenotype if they are present.
    30s
  • Q2
    The genotype AA is considered ________ while the genotype Aa is considered ___________.
    Users re-arrange answers into correct order
    Jumble
    30s
  • Q3
    Different forms of a trait are called...
    Users re-arrange answers into correct order
    Jumble
    30s
  • Q4
    What is the genotype and phenotype of the missing offspring?
    Question Image
    Users link answers
    Linking
    30s
  • Q5
    What is the genotype of the missing parent?
    Question Image
    Users enter free text
    Type an Answer
    30s
  • Q6
    A fly has the genotype GgHh. Which of the following gametes can not be made by this organism?
    Users enter free text
    Type an Answer
    30s
  • Q7
    What is the missing genotype in the dihybrid cross below?
    Question Image
    Users enter free text
    Type an Answer
    30s
  • Q8
    The following Punnett Square shows X linked inheritance of a recessive trait. How many affected offspring are there of each sex?
    Question Image
    1 male, 0 female
    None of the offspring are affected
    1 male, 1 female
    0 male, 1 female
    30s
  • Q9
    All of the following are examples of non-mendelian inheritance except...
    Incomplete dominance
    Multiple Alleles
    Heterozygous Inheritance
    Codominance
    30s
  • Q10
    The following Punnett Square shows a cross of two individuals with blood types AB and AO. Blood type AB shows characteristics of both type A and type B blood. Blood type AO only shows the characteristics of type A blood. Why is this the case?
    Question Image
    All blood type alleles show Mendelian inheritance using multiple alleles leading to this case.
    Blood type alleles are always inherited from both parents and so you will show the phenotype of both parents.
    Alleles for A and B are expressed together while the O alleles are recessive leading to a case of multiple alleles with some codominant alleles.
    Blood type O alleles are extremely rare and we do not understand how they work fully.
    30s

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