Topic 2 - Stem Cells Flashcards
1
Q
Where can you find stem cells?
A
- Bone marrow
- Embryo
2
Q
How is a zygote formed?
A
Sperm and egg fused
3
Q
How is the embryo formed?
A
The zygote cell divides many times to form a ball of cells known as an embryo
4
Q
What are the inner layers of the embryo called?
A
Embryonic stem cells
5
Q
What happens to the layers of cells in the embryo?
A
They differentiate into all the cells the body needs
6
Q
What could stem cells treat?
A
- Paralysis
- Macular degeneration of the eye
- Diabetes
7
Q
What can the stem cells from the meristem do?
A
to clone the mature parent plant
8
Q
What are the benefits of cloning plants?
A
- Rare plants can be saved from extinction
- Large populations of genetically identical plants can be produced or scientific research
- In horticulture, large numbers of exotic plants can be produced for sale
- In agriculture, plants can be produced with special features such as resistance to disease
