1
Q
Describe the direction of DNA replication
A
3’ -> 5’ of TEMPLATE strand
5’ -> 3’ of new strand
2
Q
Helicase function
A
Unwind DNA
3
Q
Define mutation
A
Permanent change in DNA. Ultimate source of all genetic variation
4
Q
Which enzyme has proof reading activity?
A
DNA polymerase (III)
5
Q
Some genetic diseases cause errors in proof reading mechanisms. Name two
A
Lynch syndrome (colon cancer), Xeroderma pigmentosum
6
Q
Which of the two mutations are passed onto future generations?
Gametic or Somatic
A
Gametic (during DNA replication in meiosis)
7
Q
Name two autosomal dominant and two autosomal recessive disease discussed in class
A
Dominant: Huntington’s disease, Williams Syndrome
Recessive: Cystic fibrosis, Tay-Sachs disease
BIO 103
flashcards
Decks in class (24)
# Cards
