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lesya692 [45]
4 years ago
8

Please help me, I need this ASAP!

Biology
1 answer:
AveGali [126]4 years ago
8 0
Prophase I
The chromosomes condense, and the nuclear envelope breaks down & crossing-over occurs.

Metaphase I
Pairs of homologous chromosomes move to the equator of the cell.

Anaphase I
Homologous chrmosomes move to the oppisite poles of the cell.


Telophase I and Cytokinesis
Chromosomes gather at the poles of the cells & the cytoplasm divides.

Prophase II
A new spidle forms around the chromosomes.

Metaphase II
Chromosomes line up at the equator.

Anaphase II
Centromeres divides & chromatids move to the opposite poles of the cells.

Telophase II and Cytokinesis
A nuclear envelope forms around each set of chromosomes & the cytoplasm divides.
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the answer is C-in areas with different air pressures

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The forward and reverse PCR primers used for the amplification of a VNTR locus on chromosome number 4 are 20 bases and 21 bases
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The repeats which occur together on a chromosome are referred to as VNTR. The length of each repeat is 60bp.

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Now the reverse primer which is 21bp in length is located 28bp from the repeat on its side. Reverse primer comes from the opposite direction, so it must be present after the 6 repeats.

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