Quiz: Genetics Terminology Trivia Questions!

15 Questions | Total Attempts: 1042

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Quiz: Genetics Terminology Trivia Questions! - Quiz

There is a lot of new terminology associated with the study of Genetics. You will need to understand these terms in order to fully understand the concepts covered during this unit.


Questions and Answers
  • 1. 
    The term allele means:
    • A. 

      A different form of a gene

    • B. 

      The name given for a trait

    • C. 

      A letter used to describe a trait

  • 2. 
    A chromosome is:
    • A. 

      A structure that contains RNA

    • B. 

      A healthy human has 47 chromosomes

    • C. 

      A structure formed from a very long piece of DNA

  • 3. 
    The term homozygous means:
    • A. 

      Two different copies of the allele

    • B. 

      Two copies of the same allele

    • C. 

      Always two copies of the dominant allele

  • 4. 
    Translation is the process where:
    • A. 

      A DNA strand is converted to a mRNA strand

    • B. 

      A protein is created from the mRNA strand

    • C. 

      A mRNA strand is moved from the nucleus to the ribosomes

  • 5. 
    The term phenotype refers to:
    • A. 

      Is the observable trait of an individual

    • B. 

      Is the alleles of the trait of an individual

    • C. 

      Is what the individual looks like

  • 6. 
    A gene is:
    • A. 

      A length of DNA that contains instructions for making a protein

    • B. 

      A length of DNA that contains instructions for making a chromosome

    • C. 

      A length of DNA that contains instructions for making a RNA

  • 7. 
    Which of the following is the correct nucleotide pairings for DNA?
    • A. 

      Adenine and Cytosine

    • B. 

      Adenine and Uracil

    • C. 

      Adenine and Thymine

  • 8. 
    Which of the following statements is correct when describig mRNA?
    • A. 

      A double stranded molecule that travels out of the nucleus and is translated at the ribosome

    • B. 

      A single stranded molecule that travels out of the nucleus and is translated at the ribosome

    • C. 

      A single stranded molecule where Thymine is replaced with Uracil

  • 9. 
    The term genotype refers to:
    • A. 

      What the individual will look like

    • B. 

      The traits of an individual

    • C. 

      The genetic make up of an individual

  • 10. 
    Choose the incorrect statement from the following:
    • A. 

      Humans have 46 pairs of chromosomes

    • B. 

      A zygote is the first cell formed when the egg and sperm meet

    • C. 

      DNA stands for deoxyribonucleic acid

  • 11. 
    Mitosis is the process:
    • A. 

      Where the number of chromosomes doubles

    • B. 

      Where replication occurs for normal growth and repair

    • C. 

      Where games are produced with half the number of chromosomes

  • 12. 
    Meioisis is the process:
    • A. 

      Where the number of chromosomes is doubled

    • B. 

      Where replication occurs for normal growth and repair

    • C. 

      Where gametes are produced with half the number of chromosomes

  • 13. 
    When a homozygous dominat Tall plant is crossed with a homozygous recessive short plant, the genotype ratio would be:
    • A. 

      100% tall plants

    • B. 

      100% Tt

    • C. 

      50% Tall and 50% short

  • 14. 
    If a homozygous black feathered bird is crossed with a homzygous white feathered bird the offpsring are all grey. This type of inheritance is referred to as:
    • A. 

      Incomplete dominance

    • B. 

      Co-dominance

    • C. 

      X linked

  • 15. 
    If a homozygous black cow is crossed with a homozygous white cow, the offspring are all black and white. This type of inheritance is referred to as:
    • A. 

      Incomplete Dominance

    • B. 

      Co-dominance

    • C. 

      X-Linked inheritance

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