Punnett Squares
3 years ago
cledune
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23 QuestionsShow answers
  • Question 1
    300 seconds
    Q. Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
    answer choices
    DNA
    protein
    RNA
    glucose nucleic acid (GNA)
  • Question 2
    300 seconds
    Q. How many alleles (letters) do each person carry for a trait?
    answer choices
    1
    2
    3
    4
  • Question 3
    300 seconds
    Q. How many alleles (letters) does a child get from each parent for each trait?
    answer choices
    1
    2
    3
    4
  • Question 4
    300 seconds
    Q. Dominant alleles are represented by a:
    answer choices
    Male gene
    lowercase letter
    recessive trait
    capital letter
  • Question 5
    300 seconds
    Q. Aa, DD, bB, yy are all examples of
    answer choices
    genotypes
    phenotypes
  • Question 6
    300 seconds
    Q. In a heterozygous genotype, the ___________ allele takes over in the phenotype.
    answer choices
    recessive
    dominant
    lower case letter
    both 
  • Question 7
    300 seconds
    Q. What you see, or the physical appearance.
    answer choices
    Genotype
    Phenotype
    Homozygous
    Heterozygous
  • Question 8
    300 seconds
    Q. T - tall and t = short
    In the punnett square below, what belongs in the missing square
    answer choices
    tt
    Tt
    Bb
    TT
  • Question 9
    300 seconds
    Q. B = brown eyes
    b = blue eyes
    What is true about these two brothers that have brown eyes?
    One has genotype BB the other Bb.
    answer choices
    they have same phenotype and genotype
    they have different genotypes and phenotypes
    they have same phenotype but different genotypes
    they have same genotype but different phenotypes
  • Question 10
    300 seconds
    Q. AA and Aa always show up as
    answer choices
    dominant
    recessive
  • Question 11
    300 seconds
    Q. aa always shows up as
    answer choices
    dominant
    recessive
  • Question 12
    300 seconds
    Q. aa always shows up as
    answer choices
    dominant
    recessive
  • Question 13
    300 seconds
    Q. Aa is
    answer choices
    homozygous
    heterozygous
  • Question 14
    300 seconds
    Q. Which of the following is a phenotype?
    answer choices
    Aa
    red hair
    heterozygous
    DNA
  • Question 15
    300 seconds
    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 16
    300 seconds
    Q. Which of the following genotypes is homozygous dominant?
    answer choices
    A
    Aa
    AA
    aa
  • Question 17
    300 seconds
    Q. Which of the following genotypes is heterozygous?
    answer choices
    Bb
    BB
    bb
    B
  • Question 18
    300 seconds
    Q. Which of the following is homozygous dominant?
    answer choices
    Yy
    Y
    yy
    YY
  • Question 19
    300 seconds
    Q. Which of the following is homozygous recessive?
    answer choices
    Tt
    tt
    TT
    T
  • Question 20
    300 seconds
    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 21
    300 seconds
    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 22
    300 seconds
    Q. In a pedigree, what shape represents a male?
    answer choices
    circle
    square
    triangle
    diamond
  • Question 23
    300 seconds
    Q. What gender has an X and a Y chromosome?
    answer choices
    male
    female
    transgender 
    all of the above
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