biology cell division Flashcards
1
Q
Mitosis
A
- All offspring are genetically identical CLONES
- The new cell divides by mitosis.
- The number of cells increases.
- As the embryo develops cells differentiate.
Asexual reproduction
2
Q
Meiosis
A
- copies of the genetic information are made
- the cell divides twice to form four gametes, each with a single set of chromosomes
- all gametes are genetically different from each other.
FERTILISATION restores the full number of chromosomes
Sexual Reproduction
3
Q
gametes
A
- sperm and egg cells in animals
- pollen and egg cells in flowering plants