the human genome Flashcards
1
Q
What is 75% of DNA composed of
A
extragenetic DNA
2
Q
What percentage of genetic DNA is repetitive?
A
40%
3
Q
What is a gene?
A
a length of DNA that codes for a specific protein
4
Q
How many genes are there in humans
A
25,000
5
Q
What is an exon?
A
contain the DNA sequence for the protein product of the gene