Home
Genetics
Genetic
Crosses
History
Glossary
Puzzles
About
this site
Site
map
WebQuest
|
BACK to Glossary
|
|
|
This is
an
animation of meiosis to give you an idea of what happens
during the division in a generalised animal cell. It may not show
exactly what happens in a real cell.
Points to Note:
- There are two
cell divisions producing four
daughter cells.
- The chromosomes
line up in homologous pairs first.
- There is swapping (crossing over) of bits of
chromosomes between pairs.
- The first division separates homologous pairs.
- The second division divides chromatids in a similar
way to mitosis.
- The four daughter cells have half the number of pairs of chromosomes found the
"mother cell".
- Each daughter cell will have a different selection of
genes than the other three.
- This division occurs only in reproductive organs and
is used to produce gametes.
|
|
A site for
learning
about basic genetics