Punnett Squares
10 months ago
linharess
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25 QuestionsShow answers
  • Question 1
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    Q. In a punnet square where are the parent alleles written?
    answer choices
    Top and inside the boxes
    Only on the left and right side of the boxes. 
    outside of the boxes (top and left side)
    All on the top side of the boxes
  • Question 2
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    Q. Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
    answer choices
    25%
    1%
    10%
    0%
  • Question 3
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    Q. Aa, DD, bB, yy are all examples of
    answer choices
    genotypes
    phenotypes
  • Question 4
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    Q. AA and Aa always show up as
    answer choices
    dominant
    recessive
  • Question 5
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    Q. In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
    answer choices
    rr
    R
    RR
    RR or Rr
  • Question 6
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    Q. T - tall and t = short
    In the punnett square below, what belongs in the missing square
    answer choices
    tt
    Tt
    Bb
    TT
  • Question 7
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    Q. aa always shows up as
    answer choices
    dominant
    recessive
  • Question 8
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    Q. What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 
    answer choices
    50 % Brown Hair and 50% Blond Hair 
    25 % Brown Hair and 75% Blond Hair 
    75 % Brown Hair and 25% Blond Hair 
    0% Brown Hair and 100% Blond Hair 
  • Question 9
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    Q. A green pea plant (GG) is being crossed with a green pea plant (Gg). What is the phenotype?
    answer choices
    100 % rainbow 
    50% yellow and 50% green 
    100% green
    100% yellow 
  • Question 10
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    Q. How many alleles (letters) do each person carry for a trait?
    answer choices
    1
    2
    3
    4
  • Question 11
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    Q. AA and Aa always show up as
    answer choices
    dominant
    recessive
  • Question 12
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    Q. Aa is
    answer choices
    homozygous
    heterozygous
  • Question 13
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    Q. What ratio of the offspring from the cross shown will be homozygous recessive for the  trait of tallness? 
    answer choices
    0 in 4
    1 in 4
    2 in 4
    4 in 4
  • Question 14
    300 seconds
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    Q. In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
    answer choices
    rr
    R
    RR
    RR or Rr
  • Question 15
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    Q. Which of the characteristics is a lion least likely to pass on to its offspring?
    answer choices
    fur color
    length of tail
    scars on leg
    body size
  • Question 16
    60 seconds
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    Q. In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
    answer choices
    Tall = T
    Short = S
    Tall = T
    Short = t
    Tall = t
    Short = T
    Tall = TT
    Short = tt
  • Question 17
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    Q. Heterozygous is when...
    answer choices
    the alleles are the same
    the alleles are different
    the alleles are absent
    the alleles are present
  • Question 18
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    Q. In a heterozygous genotype, the ___________ allele takes over in the phenotype.
    answer choices
    recessive
    dominant
    lower case letter
    both 
  • Question 19
    180 seconds
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    Q. Which of the following alleles is homozygous (purebred) recessive?
    answer choices
    Tt
    tt
    TT
    t
  • Question 20
    300 seconds
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    Q. Dominant alleles are represented by a:
    answer choices
    Male gene
    lowercase letter
    recessive trait
    capital letter
  • Question 21
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    Q. Dominant or recessive?
    tt
    answer choices
    Dominant 
    Recessive
  • Question 22
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    Q. Dominant or recessive?
    Dd
    answer choices
    Dominant
    recessive
    neither
    homozygous
  • Question 23
    30 seconds
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    Q. What should students use to identify the percent chance of a trait being passed down from a parent to its offspring?
    answer choices
    a graph
    a flow chart
    a data table
    a Punnett square
  • Question 24
    60 seconds
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    Q. B = brown fur  b = white fur
    In the punnett square, what is the probability for white fur? 
    answer choices
    0%
    25%
    50%
    75%
  • Question 25
    30 seconds
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    Q. In the punnett square shown, what is the genotypes of the two parents?
    answer choices
    RW and RR
    RW and WW
    RR and WW
    RW and RR
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