( ( Human cell
1) c c
nucleus
'I 46 chromosomes
original
2)
( (
Replicate all cells
c c DNA
↳ by replicating all
'I chromosomes
copy adds extra arm to each
chromosome already
order had
paint
3 pair 2 )( all line up in centre
pair 3 (c
)C of nucleus in pairs
pair 4 I (maternal + Paternal)
etc. - which is on left + right
centre is completely random
"
4) 1ˢᵗ Division
D
( (
)
X
splits in 2, meaning
: chromosomes pulled
apart + randomly
distributed
(DNA in each cell
is different)
5) (
2nd Division
)
:
centre
l I
line up in centre
of the cell
each chromosome
6) ( ( arm is pulled
I 1
apart to opposite
: sides of the cell
1) c c
nucleus
'I 46 chromosomes
original
2)
( (
Replicate all cells
c c DNA
↳ by replicating all
'I chromosomes
copy adds extra arm to each
chromosome already
order had
paint
3 pair 2 )( all line up in centre
pair 3 (c
)C of nucleus in pairs
pair 4 I (maternal + Paternal)
etc. - which is on left + right
centre is completely random
"
4) 1ˢᵗ Division
D
( (
)
X
splits in 2, meaning
: chromosomes pulled
apart + randomly
distributed
(DNA in each cell
is different)
5) (
2nd Division
)
:
centre
l I
line up in centre
of the cell
each chromosome
6) ( ( arm is pulled
I 1
apart to opposite
: sides of the cell
