Lecture 2 Flashcards
1
Q
eukaryotic cells may have originated as –
A
predators
2
Q
eukaryotes have – genomes
A
hybrid
3
Q
genetic info has been – since the days of the last common ancestor of all living things
A
conserved
4
Q
eukaryotic genomes are significantly – than prokaryotic ones
A
bigger
5
Q
humans have more – DNA genes
A
regulatory
6
Q
humans have – times more genes than e. coli
A
10
7
Q
most bacteria and archaea have – genes
A
1000-6000
8
Q
e. coli genome size
A
4.6 million
9
Q
e. coli genes #
A
4300
10
Q
human genome size
A
3200 million
11
Q
human genes #
A
30,000
12
Q
– of human genome does not code for proteins
A
98.5%
13
Q
– of E. coli genome does not code for proteins
A
11%
14
Q
new genes are generated from –
A
preexisting genes
15
Q
four modes of genetic innovation
A
intragenic mutation, gene duplication, DNA segment shuffling, and horizontal transfer
