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What happens to the Cdk-cyclin A complex at metaphase?
Both cyclin A and Cdk remain undegraded
What does metaphase 1 look like?
Metaphase 1 looks like a group of bivalents. This is because the spindle fibers get aligned and arranged via a bipolar attraction. They end up along the equatorial line.
What happens during metaphase in the cell division?
Metaphase is the phase of cell division where chromosomes line up on the equator of the cell just prior to splitting to the poles at anaphase. During mitosis identical chromosomes pair up on the equator, wheras during meiosis the homologous pairs line up together during meiosis 1 and then homologous chromatids line up together in meiosis 2.
What is the stage between metaphase and anaphase in mitosis?
There is no stage between metaphase and anaphase. Mitosis has four stages, first its prophase then metaphase then anaphase then telophase.
What event occurs during metaphase?
The chromosomes attach to a spindle fiber across the equator of the cell.
What. Happens directly after metaphase?
Anaphase
What happens after pro-phase?
Metaphase
Describes what happens during metaphase?
Chromosomes align along equator, or metaphase pate of cell.
Differences between metaphase 1 and metaphase 2?
1. In metaphase 1 spindle formation is completed In metaphase 2 spindle formation take place 2. Bivalent are involved in metaphase 1 Bivalents are not involved in metsphase 2
What is is the difference between metaphase 1 and 2?
Metaphase 1 The chromosomes line up on the equatorial (metaphase) plate. Metaphase 2 Kinetochores of the paired chromatids.
Bivalents align at metaphase plate?
Metaphase 1
Do homologous chromosomes pair up during metaphase 2 as they do in metaphase 1?
No, homologous chromosomes do not pair up during metaphase 2 as they do in metaphase 1. In metaphase 2, individual chromosomes line up along the metaphase plate.
During what phase do the chromosomes move to the center of the cell aligned on the spindle apparatus?
This happens during metaphase. I remember this phase because it is the move phaseof mitosis. The m from move matches the m from metaphase.In mitosis, it happens during metaphase.In meiosis, it happens twice and occurs in metaphase 1 and metaphase 2.
What metaphase does nondisjunction occur in Metaphase 1 or metaphase 2?
Non-disjunction is the failure of a pair of chromosomes or chromatids to separate. Since this happens in both metaphase I and II, non-disjunction can occur in either stage.In metaphase I it is the failure of the two homologous chromosomes in the pair to separate. In this case all of the gametes will be affected.In metaphase II it is the failure of the two sister chromatids to separate. In this case only half of the gametes are affected.Non-disjunction is the cause of a number of genetic conditions eg Down syndrome, Triple-X syndrome.See http://en.wikipedia.org/wiki/Nondisjunction
During what phase of meiosis do replicated homologous chromosomes line up next to each other at the cell's equator-?
It is during the anaphase of meiosis that the replicated homologous chromosomes line up next to each other at the cell's equator.
Which letter represent metaphase 1?
The letter "D" represents metaphase 1 in meiosis. During metaphase 1, homologous chromosome pairs line up at the cell's equator.
What happens in annaphase?
after metaphase the chromosomes rip or break in the middle after they have lined up in metaphase and start to drift to opposite sides of the nucleus
