← Bio wB Ch. 14 Test
5 Written Questions
5 Matching Questions
- Chromosome Inversion
- Gene Rearrangement
- Point Mutation
- a A piece of DNA reattaches to its original chromosome but in a reverse direction.
- b An abnormal condition of having more than two sets of chromosomes.
- c A gene is moved to a new location
- d One of several nonadjacent nucleotide sequences that are part of one gene and that are transcribed, joined together, and then translated.
- e A change of a single nucleotide in a sequence from one kind of base to another.
5 Multiple Choice Questions
- A nucleotide sequence that is part of a gene and that is transcribed from DNA into mRNA but not translated into amino acids.
- A change in the structure or amount of the genetic material of an organism.
- A factor that can increase the rate of mutation.
- An enzyme that is needed to begin and/or continue genetic transcription.
- An insertion or deletion causes the reading frame to be moved and the remaining sequence can be "read" as different codons.
5 True/False Questions
Silent Mutation → A change of a single nucleotide in a sequence from one kind of base to another.
Insertion → The addition of one or more nucleotides into a sequence.
Deletion → The addition of one or more nucleotides into a sequence.
Chromosome Translocation → A piece of DNA ends up in a completely different, nonhomologous chromosome.
Chromosome Deletion → A piece of DNA of a chromosome is lost.