Genetics Multiple-Choice Test

  1. Which chromosome is the largest and approximately three times bigger than chromosome 22?

    Chromosome 1
    Chromosome 22
    Chromosome X
    Chromosome Y

  2. What are the two special chromosomes that determine our sex?

    Chromosome 23 and 24
    Chromosome X and Y
    Chromosome 1 and 2
    Chromosome A and B

  3. What is the method called for mapping a gene to a specific band of a chromosome?

    Gene mapping
    Cytogenetic mapping
    Chromosome mapping
    Genetic mapping

  4. On which chromosome is the hemoglobin beta gene (HBB) located, and at which band is it found?

    Chromosome 5, band 10.2
    Chromosome 11, band 15.4
    Chromosome 22, band 5.3
    Chromosome 17, band 20.1

  5. What is the approximate number of genes on Chromosome 17?

    1,500-2,000
    2,500-3,000
    3,500-4,000
    4,500-5,000

  6. Which chromosome contains the gene associated with cystic fibrosis?

    Chromosome 7
    Chromosome 9
    Chromosome 11
    Chromosome 15

  7. How many sex chromosomes are present in an individual with Turner syndrome?

    0
    1
    2
    3

  8. Which chromosome contains the gene associated with Huntington's disease?

    Chromosome 3
    Chromosome 7
    Chromosome 11
    Chromosome 15

  9. What is the approximate number of genes on Chromosome X?

    700-900
    1,200-1,500
    1,800-2,000
    2,500-3,000

  10. Which chromosome contains the gene associated with color blindness?

    Chromosome 3
    Chromosome 7
    Chromosome 11
    Chromosome 15