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1) leptotene (early chromatin condensation),
2) zygotene (localized condesations and chromomere becomes visible),
3) pachytene (chromatin condensation continues),
4) diplotene (homologs seem to repel one another, but held together at chiasmata. also now it can be seen that each homolog has 2 chromatids), and
5) diakenesis (shortening and thickening of the paired chromosomes, formation of the spindle fibers, disappearance of the nucleolus, and degeneration of the nuclear membrane)
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∙ 12y ago
Wiki User
∙ 11y agoThe chromatin begins to coil and condense.Centrioles move to the opposite poles of the nucleus an a spindle forms in between them. As the spindle forms, the nuclear envelope breaks down and the nucleoli disappear.
Wiki User
∙ 13y agothe chromosomes coil, the spindle forms, the homologus chromosomes pair to form a tetrad, and crossing over occurs
Wiki User
∙ 12y agoIn prophase 1, the cell's chromosomes cross over exchanging DNA. We just finished learning about this in Biology class.
Wiki User
∙ 14y agothe chromosomes line up in rows
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What the correct order of steps for mitosis?
The first part of cell division is not strictly part of mitosis and is called interphase; this is when DNA replication occurs. The next steps are prophase, metaphase, anaphase and telophase. IPMAT.
Number of cells during prophase?
There is still only 1 cell during prophase.
What are the four steps of mitosis?
the four steps of mitosis in order is prophase,metaphase,anaphase,and telophase
When does the nuclear membrane dissolve in mitosis?
Hello :) Nuclear membrane breaks right before metaphase 1 which is Prophase 1 thank U
What phase of mitosis does the nuclear envelope and the nucleus disappear and a spindle forms?
telophase II No, not Telophase. Took the test, chose prophase, was correct.
What are the step to meiosis?
The steps to Meiosis are ;~ Prophase 1~ Metaphase 1~ Anaphase 1~ Telephase 1~ Prophase 2~ Metaphase 2~ Anaphase 2~ Telephase 2
What are the steps of DAN sequence?
If you are asking for DAN. I don't know. The steps of DNA are; 1) Prophase 2) Metaphase 3) Anaphase 4) Telophase
What are the steps to meosis?
Prophase, Metaphase, Anaphase, Telophase/Cytokinesis, Prophase II, Metaphase II, etc.
What does mitosis include?
It has 4 steps: prophase, metaphase, anephase, and telephase.
The steps of mitosis in order are?
The steps of Mitosis in order are Prophase, then Metaphase, then Anaphase, then Telophase
What are the two main phases of cell division in order?
Are you talking about Meiosis 1 and meiosis 2? If you are the steps are Interphase, prophase 1, metaphase 1, anaphase 1, telophase 1/cytokinesis, prophase 2, metaphase 2, anaphase 2, and telophase 2/cytokinesis
What the correct order of steps for mitosis?
The first part of cell division is not strictly part of mitosis and is called interphase; this is when DNA replication occurs. The next steps are prophase, metaphase, anaphase and telophase. IPMAT.
During which phase of meiosis do tetrads line up in the middle of the cell?
Tetrads line up in the middle of the cell during metaphase I.
What are the first steps in mitosis?
Prophase: The condensation of chromosomes; the nuclear membrane disappears; formation of the spindle apparatus; chromosomes attach to spindle fibers.
What are the steps in meiosis in order?
prophase I, metaphase I, anaphase I, telophase I, prophase II, metaphase II, anaphase II, telophase II
How are mitosis are meiosis similar?
They have many similar steps they both have a prophase and an anaphase
The steps of mitosis listed in proper order are?
prophase,metaphase,anaphase,telophase
