Frameshift Mutations
Über den Vortrag
Der Vortrag „Frameshift Mutations“ von Georgina Cornwall, PhD ist Bestandteil des Kurses „DNA Repair & Genetic Mutations“.
Quiz zum Vortrag
Which of the following best describes a frameshift mutation?
- An insertion or deletion of a base pair that alters how each codon is read after that insertion or deletion
- A mutation of a base pair that does not affect a codon
- A mutation that only affects one codon in the DNA sequence
- A repeat of the same three nucleotides in a gene
- A part of the chromosome that gets moved from one region of the chromosome to another
Which of the following is NOT correct about codon reiteration disorders?
- Huntington disease is an example of codon reiteration disorder with two trinucleotide repeats.
- Trinucleotide repeat expansions of genes lead to triplet repeat expansion disorders.
- The expanded CAG repeats lead to the development of Huntington disease.
- Expanding triplet repeats usually expand over the lifetime, which might be associated with disease progression.
- Triplet repeat expansion mutations can occur in both coding and noncoding regions of DNA.
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Dozent des Vortrages Frameshift Mutations
Georgina Cornwall, PhD
Dr. Georgina Cornwall is a Biology Instructor and currently works as an Instructional Designer in the private sector, developing interactive online training materials.
She obtained her PhD in Environmental, Population, and Organismic Biology at the University of Colorado, USA, in 2000, and has since taught a broad array of biology courses at various US universities.
She is an active promoter of hybrid/online teaching formats and interactive courses, and has received several awards for her engaging and innovative course design; e.g., she was named Adjunct Faculty of the Year at Colorado Mountain College in Aspen twice.
Within Lecturio, Dr. Cornwall teaches courses on Biology & Genetics.
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