B2.2 Growth and differentiation Flashcards
1
Q
What is the name of unspecialised cells?
A
Stem cells
2
Q
When do most types of cells become specialised?
A
Very early in life
3
Q
What type of cells do muscles cells produce?
A
Muscle cells
4
Q
What are adult stem cells?
A
Produce the different kinds of cells that maintain the body’s tissues and organs, and, importantly, they have the ability to divide and reproduce indefinitely
5
Q
Where are undifferentiated cells formed in plants?
A
At the meristems
6
Q
What are clones?
A
Identical offspring
7
Q
Why is it difficult to clones animals?
A
Most animals differentiate permanently early in embryo development
