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Genetics DCA

Quiz by Kate Downey

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40 questions
Show answers
  • Q1
    Anti-codons(on tRNA) are also known as the complementary base pairs to codons(on mRNA).
    True
    False
    30s
  • Q2
    If you crossed two heterozygous (Rr) birds what is the probability of have white bird offspring? (Red(R) is dominant over white (r).
    100%
    75%
    50%
    25%
    30s
  • Q3
    The process of copying a gene's DNA sequence into a sequence of RNA is called
    RNA polymerase
    replication
    transcription
    translation
    30s
  • Q4
    During MEIOSIS, somatic cells are produced.
    False
    True
    30s
  • Q5
    If you are heterozygous for a trait what does that mean?
    You have 2 recessive alleles. (aa)
    You have 2 dominant alleles. (AA)
    You cannot have offspring.
    You have 2 different alleles. (Aa)
    30s
  • Q6
    Physical characteristics of an individual is called ___________________.
    alleles
    DNA
    genotype
    phenotype
    30s
  • Q7
    The outward expression of genes or geneotypes is ones phenotype.
    False
    True
    30s
  • Q8
    Genotypes are
    the physical characteristics of the organism.
    the outward expression of genes.
    the genetic make up of the organism.
    always heterozygous.
    30s
  • Q9
    If you have 15% of Cytosine what is the percentage of the other 3 bases?
    15% Guanine, 35% Adenine and 35% thymine
    not enough information to answer.
    15% Guanine, 35% adenine, and 15 % thymine
    35% Guanine, 15% adenine, and 15 % thymine
    30s
  • Q10
    Meiosis creates haploid cells because it goes through cytokinesis _____ time(s).
    1
    2
    3
    4
    30s
  • Q11
    If elephants have 100 chromosomes in their somatic cells how many chromosomes would be in their gametes?
    200
    50
    not information to answer.
    25
    30s
  • Q12
    Diploid means ...
    organism has 2 full sets of DNA
    Organism has 4 full sets of DNA
    organism has 1 full set of DNA
    organism has 3 full sets of DNA
    30s
  • Q13
    The code to make proteins is carried from DNA to ___________.
    tRNA
    mRNA
    rRNA
    RNA
    30s
  • Q14
    Which molecule contains the genetic code?
    RNA
    mRNA
    proteins
    DNA
    30s
  • Q15
    Transcription occurs along a ____ template forming an mRNA in the ____ direction.
    3' to 5'; 5' to 3'
    3' to 5'; 3' to 5'
    5' to 3'; 5' to 3'
    5' to 3'; 3' to 5'
    30s

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