DNA Flashcards
0
Q
What are the four nitrogen bases
A
- Adenine
- Thymine
- Cytosine
- Guanine
1
Q
What are the three parts of a nucleotide
A
- Nitrogen base
- Phosphate
- Deoxyribose (sugar)
2
Q
Do the bases pair up?
A
A-T G-C
3
Q
Why are the bases and their order important
A
It is the genetic code or the blueprints for life
4
Q
What is the shape of DNA called
A
Double helix
5
Q
Dominant
A
Always shows as the phenotype
6
Q
Recessive
A
Only shows as the phenotype when it is in the presence of another recessive allele
7
Q
What is the difference between a genotype and a phenotype
A
Genotype is what your genes are, dominant or recessive
Phenotype is the physical expression of genes
8
Q
Homozygous
A
Same alleles and Heterozygous different alleles
