Inheritance, variation and evolution Flashcards
1
Q
What does DNA stand for
A
- Deoxyribonucleic acid
2
Q
What is contained within DNA
A
- Coded information, all the instructions to put an organism together and make it work
3
Q
What does DNA determine
A
- What inherited characteristics you have
- What proteins the cell produces (haemoglobin, keratin)
4
Q
What type of molecule is DNA
A
- A polymer
5
Q
Define gene
A
- Small section of DNA found on a chromosome
6
Q
What do genes do
A
- Codes for a particular sequence of amino acids which are put together to make a specific protein
- Tell cells what order to put amino acids together
7
Q
How many amino acids do genes code for
A
- 20 but they make up thousands of different proteins
8
Q
Define genome
A
- The entire set of genetic material in an organism
9
Q
What does identifying the human genome do
A
- Allows scientists to identify genes in the genome that are linked to different diseases
- Helps understand and treat inherited diseases
- Understand the migration of humans
