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The sister-chromatids are separated during anaphase.
They are pulled apart by microtubules of the cytoskeleton. Once apart, they are known as chromosomes (or daughter-chromosomes).
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∙ 15y ago
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∙ 12y agomicrotubules (protein threads) are made from each pole of the cell and attatch to the middle of the chromosomes. the threads then gradually become smaller whilst still being attached to the pole of the cel and the chromosome. this causes the chromosomes to be pulled apart.
Imagine a fishing line with a hook being thrown out from each end of the cell, attatching to a chromosome and then being reeled in.
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∙ 14y agoTelophase I of Meiosis I and Telophase II of Meiosis II. In Telophase I, the chromosomes are pulled apart just like in Mitosis resulting in a diploid cell. Then after everything is complete in Meiosis II, they are pulled apart again forming haploid gametes.
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∙ 13y agoIn the phases of mitosis where the chromosomes are pulled apart...
They begin to pull apart in ANAPHASE
Yet completely separate in TELOPHASE
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∙ 14y agoanaphase
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∙ 13y agoanaphase
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∙ 11y agomeiosis 1
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∙ 6y agoCytokinesis
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∙ 11y agoAnaphase.
Amya Terry
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Which phase of meiosis do diversification occur?
Diversification occurs during the crossing over phase of meiosis, which is Prophase I. During this phase, chromosomes exchange genetic material, resulting in the recombination of genetic material between homologous chromosomes. This process increases genetic diversity and contributes to the unique combination of traits in offspring.
What homologous pairs of chromosomes line up in the middle of the spindle during meiosis name the phase one or two?
During Metaphase 1 the homologous pairs of chromosomes line up at the center of the cell. They arrange around the spindle during meiosis.
Diagram a cell with four chromosomes going through meiosis?
A cell undergoing meiosis with four chromosomes would look like this () --> (::)-->(:><:)---->(^:) (^:) this represents the cell chromosomes once together then spliting then connecting with the on and pulling the cell membrane until it pinches shut and becomes daughter cells.
Do you see a place where problems could arise during Meiosis?
During the anaphase phase of meiosis, there can be non-dysjunction. This is when the spindle fibres do not effectively pull apart the chromosomes, leading to the cells having unequal numbers of chromosomes (ie. 3 and 1 rather than 2 and 2). An example of this is Trisomy 21, which is when there is non-disjunction of the 21st chromosome in either Anaphase I or Anaphase II. This causes Down's syndrome.
What phase is DNA duplicated?
The S phase in the interphase. Chromosomes are copied in the interphase part of the cell cycleS phase would be the answer. It is during Interphase (G1, S, G2) that they are copied. SO dependant on your answers it's either interphase or S.
What stage are Chromosomes duplicated?
technically the chromosomes copy during interphase right before metaphase I of meiosis I so during Meiosis I the chromosomes are duplicated and not until metaphase II during meiosis II are the sister chromatids separated.
When do chromosome duplicate themselves during mitosis?
In Mitosis, the chromosomes duplicate themselves. In Meiosis 1, they duplicate, however they do not duplicate in meiosis 2.
Which phase of meiosis do diversification occur?
Diversification occurs during the crossing over phase of meiosis, which is Prophase I. During this phase, chromosomes exchange genetic material, resulting in the recombination of genetic material between homologous chromosomes. This process increases genetic diversity and contributes to the unique combination of traits in offspring.
What is the exchange of DNA between homologous chromosomes during pro phase of meiosis?
Crossing over or chromosomal crossover.
When Homologous chromosomes swap genetic information as part of meiosis?
Prophase I is the phase of meiosis.
What phase of meiosis is when the chromosomes copied?
Interphase before Prophase I.
What homologous pairs of chromosomes line up in the middle of the spindle during meiosis name the phase one or two?
During Metaphase 1 the homologous pairs of chromosomes line up at the center of the cell. They arrange around the spindle during meiosis.
Diagram a cell with four chromosomes going through meiosis?
A cell undergoing meiosis with four chromosomes would look like this () --> (::)-->(:><:)---->(^:) (^:) this represents the cell chromosomes once together then spliting then connecting with the on and pulling the cell membrane until it pinches shut and becomes daughter cells.
Are daughter cells diploid or haploid?
It depends on the process. Daughter cells created by mitosis are identical to the original cell (diploid), whereas daughter cells from meiosis are haploid.
What phase in meiosis does nuclear membranes reform around chromosomes?
Telophase
During which phase of meiosis will the chromosomes appear as packets of four chromatids?
chromosomes appear as packets of four chromatids during anaphase. This is when the chromatids start to move and separate in preparation of the creation of four cells.
What stage does chromatin condense to chromosomes?
During mitosis, chromosomes are in their most condensed form during metaphase
