The Eukaryotic Chromosome
Study Questions

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  1. Which of the following is the specific type of protein that controls chromosome structure?
  1. introns
  2. chromatids
  3. histones
  4. nucleosomes
  1. When a gene is expressed, which of the following occurs?
  1. DNA is tightly bonded to the histone protein.
  2. DNA replication
  3. both transcription and translation
  4. translation of introns
  5. RNA ssembles from DNA template
  6. "hooking together" of amino acids at the ribosome
  1. Which of the following are the sequences of mRNA that are spliced together and translated?
  1. introns
  2. exons
  3. expression units
  4. transposons
  1. When there are two different alleles for the same gene on homologous chromosomes the alleles are called:
  1. homologous
  2. homozygous
  3. chromatids
  4. heterozygous
  1. The nucleosome consistes of 2 sets of five histone proteins and a length of DNA.
TRUE
FALSE
  1. Chromosomes consist of histone proteins, enzymes, and a segment of DNA.
TRUE
FALSE
  1. Pairs of chromosomes that contain the same sequence of genes are called homozygous.
TRUE
FALSE
  1. Tightly coiled DNA can be transcribed.
TRUE
FALSE
MATCHING:
(use lower case; incorrect responses will be replaced with a "?".)

9. homologous chromosomes a. snipped out

10. homozygous alleles b. blue eyes

11. heterozygous alleles c. same gene sequence

12. gene d. different alleles

13. allele e. expressed

14. intron f. eye color

15. exon g. same alleles
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