Lecture 7 (b): Gene Organisation Flashcards
1
Q
What is DNA packaged into at the largest level?
A
Chromosomes.
2
Q
How many chromosomes do humans typically have?
A
24
3
Q
How long would the human genome be if straightened out?
A
1.8m
4
Q
What staining reveals chromosome bands?
A
Giemsa staining.
5
Q
What do chromosome bands indicate?
A
Reveals the varying levels of DNA packing in a given chromosome.
6
Q
What is reciprocal translocation?
A
When sections of chromosomes are transferred, usually harmless but can result in diseases such as translocation Down’s syndrome.
