Genetics Flashcards
1
Q
What is DNA made up of?
A
Nucleotides
2
Q
What do Nucleotides consist of?
A
a sugar molecule, phosphate molecule and one ‘base’
3
Q
What do the sugar and phosphate molecules form?
A
a backbone
4
Q
What are the 4 different bases?
A
A denine
T hymine
C ytosine
G uanine
5
Q
What is the shape of a DNA molecule?
A
2 strands coiled together in shape of a double helix.
6
Q
What are the complementary base pairs joined together by?
A
weak hydrogen bonds
7
Q
What is DNA stored as?
A
Chromosomes
8
Q
What does DNA contain?
A
Genes
9
Q
What are Chromosomes?
A
long, coiled up molecules of DNA.
found in the nucleus of eukaryotic cells
10
Q
What is a Gene?
A
a section of DNA on a chromosome that codes for a particular protein
11
Q
What can you use genetic diagrams for?
A
predict how different characteristics will be inherited
12
Q
A
