Epigenetics Flashcards
1
Q
What is Chargaff’s rule?
A
The amount of Adenine will aways be equal to the amount of Thymine, while the amount of Cytosine will aways be equal to the amount of Guanine.
2
Q
What did Meselson and Stahl discover?
A
DNA is semi-conservative.
One strand of DNA is conserved while one strand is newly formed.
3
Q
What are the applications of genetics?
A
- genetic counseling
- diagnostic, detection of genetic predisposition to disease,
- gene therapy
- drug design
- nutrigenomics (science which explains how genes relate to diet (ie. response to food dependent of genetic sex)
- GMO’s,
- transgenic organisms
- breeding, bioprocessing and selection
- chromosome mapping
4
Q
What is nutrigenomics?
A
Science which relates diet with genetics.
5
Q
What is genome editing?
A
- Removal of unwanted parts of genes
6
Q
What is epigenetics?
A
Heritable changes in gene activity and expression that occur without alteration in the DNA sequence.