chap 26 Flashcards
1
Q
How many base pairs inthe human genome
A
~3.1 billion base pairs
2
Q
How many chromosome pairs
A
23 pairs to equal 46 chromosomes total
3
Q
Mutation
A
o Error in base sequence that is carried along in DNA replication.
- Point mutation – a single base change
- Silent – same amino acid is inserted
- Missense – Changed to a different amino acid
- Nonsense – Changed to stop codon
- Insertion and deletion – addition or deletion of a base or group of bases.
4
Q
What is SNP
A
- Replacement of one nucleotide by another in the same location.
5
Q
PCR
A
- Large quantities of DNA are synthesized.
