Bio 1 Warm-up Quiz #11

10 Questions | Total Attempts: 240

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Bio 1 Warm-up Quiz #11

Questions and Answers
  • 1. 
    Gametes must be haploid because ___.
    • A. 

      Gametes are small and can hold only the haploid number of chromosomes

    • B. 

      Fertilization results with a haploid zygote

    • C. 

      Two gametes will unite during fertilization to create a diploid cell

    • D. 

      The gametes’ chromosomes will be replicated prior to cell division

  • 2. 
    What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
    • A. 

      0 in 4

    • B. 

      1 in 4

    • C. 

      2 in 4

    • D. 

      4 in 4

  • 3. 
    What is the probability that a heterozygous black-fur rabbit will produce white-fur offspring if its mate is a homozygous recessive rabbit?
    • A. 

      P = 1/4

    • B. 

      P = 1/2

    • C. 

      P = 3/4

    • D. 

      P = 1

  • 4. 
    The picture shows a student’s experiment with a common aquatic plant. Which change in this experiment is most likely to increase the volume of oxygen gas that accumulates in the top of the tube?
    • A. 

      Use fewer plants

    • B. 

      Replace the beaker with a larger container

    • C. 

      Move the light source closer to the beaker

    • D. 

      Reduce the amount of water

  • 5. 
    Both male and female rats have genotype Bb. Based on a Punnett square, Carol concluded that the phenotypic ratio of the monohybrid cross is 2:1:1. What mistake did Carol make?
    • A. 

      The ratio should be 2:1

    • B. 

      The ratio should be 1:2:1

    • C. 

      The ratio should be 3:1

    • D. 

      The ratio should be 1:1:1:1

  • 6. 
    In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes "cross over" and exchange genetic information?
    • A. 

      Prophase II

    • B. 

      Anaphase I

    • C. 

      Prophase I

    • D. 

      Metaphase II

  • 7. 
    All the individuals of a species that live in a particular area are called a ___.
    • A. 

      Population

    • B. 

      Fossil

    • C. 

      Genus

    • D. 

      Group

  • 8. 
    The total permanent disappearance of a species from Earth is called ___.
    • A. 

      Extinction

    • B. 

      Coevolution

    • C. 

      Equilibrium

    • D. 

      Natural selection

  • 9. 
    What is the term for a molecule that combines with enzymes, undergoes a chemical reaction, and changes into new substances?
    • A. 

      Substrate

    • B. 

      Synthetic

    • C. 

      Peptide

    • D. 

      Protein

  • 10. 
    DNA is composed of nucleotide subunits, each of which contains a ___.
    • A. 

      Ribose molecule

    • B. 

      Phosphate group

    • C. 

      Uracil base

    • D. 

      Protein

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