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Elie Elie
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Posts: 10
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10 years ago
It allows 5 attempts but I already used up 4 of it....
I'm consufed!!!!!! HELP!!!!!!!!
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wrote...
Valued Member
On Hiatus
10 years ago
I'll name the pictures: 1, 2, 3, 4, 5, 6, 7, 8.
a) First of all, we have the cross over (picture 3) where the homologous chromosomes exchanges DNA. That's prophase 1.
b) Secondly, the pairs of homologous chromosomes are placed on the metaphase plate (picture 1)
c) Each chromosome of each pair is pulled towards one of the opposing poles (picture 5)
d) The cell begins to divide, while chomosomes are still in the form of "sister chromatids" (picture 6)
e) Now, you have two cells, each of them having the half amount of chromosomes. (at first you had 6, now you have 3). The picture shows one of these cells. (picture 2)
f) The 3 chromosomes are placed on the metaphase plate. (picture 7)
g) Each chromatide of each chromosome is pulled toward one of the opposing poles (picture 4)
h) The cell begins to divide again (picture 8)

And to avoid any confusion:
a) (picture 3)
b) (picture 1)
c) (picture 5)
d) (picture 6)
e) (picture 2)
f) (picture 7)
g) (picture 4)
h) (picture 8)
wrote...
10 years ago
The clarity and the layout of this helped made your answer correct. thank you for posting! it helped a lot!
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wrote...
10 years ago
much appreciated
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