Year 10 Genetics Flashcards
1
Q
Chromosomes
A
- 23 pairs = 46 chromosomes
- Chromosomes are made up of DNA that is tightly squished together
- Thread-like structure
- All 23 pairs for each cell
2
Q
DNA
A
- Deoxyribonucleic acid
- Structured like a twisted ladder
- Contains genetic codes
- Everyone’s DNA is different and it makes you you
3
Q
Nucleotide
A
- Contains a base, sugar and phosphate
- There are four different bases (thymine, guanine, cytosine, adenine)
4
Q
Gene
A
- Made up of DNA
- Carries information
5
Q
Characteristics
A
- Inherit traits from your parents
6
Q
Mitosis
A
- Making identical genetic cells
7
Q
Meiosis
A
- Cell division that reduces the number of chromosomes in the parent cell by half and produces four sex cells
8
Q
Gametes
A
- Sex cells