mutations and epigenetics Flashcards
1
Q
what is a mutation?
A
changes in genetic material
2
Q
when do mutations occur?
A
mutations occur randomly and spontaneously
3
Q
what causes mutations?
A
errors in DNA replication and mutagens (environmental factors) eg UV light, radiation, poison, X-rays, viruses, chemicals (smoking, some drugs)
4
Q
how do mutations impact protein synthesis?
A
altering the sequence of nucleotides in DNA , potentially leading to changes in the amino acid sequence of proteins and affecting their function and structure.
5
Q
Huntingtons disease
A
progressive brain disorder
