Genetic Variation, Why Organisms Are Different Flashcards
1
Q
Give 3 advantages of genetic engineering
A
- Can produce organisms with desired features quickly
- Can increase yield
- GM crops could be engineered to contain nutrients which people in developing countries lack
2
Q
Give 3 disadvantages of genetic engineering
A
- Could affect the number of plants, reducing farmland biodiversity
- Could be unsafe (developing allergies)
- Transplanted genes could get into the natural environment
3
Q
What do genes do?
A
Carry information
4
Q
What do genes result to?
A
Plants and animals having similar characteristics to their parents
5
Q
How are genes passed on?
A
In the gametes
6
Q
What are gametes?
A
Sex cells (from which offspring develop)
7
Q
Where are chromosomes found?
A
In the nucleus
8
Q
What do chromosomes contain?
A
Genes which control the characteristics of the body
9
Q
What do different genes do?
A
Control development of different characteristics of an organism
10
Q
What are the two ways individuals characteristics can develop?
A
- Inherited genes
- Environmental influences
- Or both
