0
What else can I help you with?
What phase does chromatids line up along the equater?
Metaphase II In Metaphase I, the tetrads of homologous chromosomes line up along the equator, but they are not individual chromosomes.
During metaphase II, do homologous chromosomes pair up as in metaphase I?
No, during metaphase II of meiosis, homologous chromosomes do not pair up as they do in metaphase I. Instead, individual chromosomes line up along the metaphase plate.
How many chromosomes are in metaphase?
Metaphase I or Metaphase II? In metaphase I it would have 24. In metaphase II it would have 6.
What chromosomes align single file along the equator of a haploid cell?
During the metaphase stage of cell division, the chromosomes align single file along the equator of the cell. In a haploid cell, there is only one set of chromosomes, so all of the chromosomes will align along the equator before separating and moving to opposite poles of the cell during anaphase.
What is One of the stages of mitosis and meiosis during which all of the chromosomes move to the cells equators?
One of the stages during which all of the chromosomes move to the cell's equator is called metaphase. In mitosis, metaphase involves the alignment of chromosomes along the metaphase plate, ensuring they are properly positioned for separation. Similarly, in meiosis, metaphase I and metaphase II both feature the alignment of homologous chromosomes and sister chromatids, respectively, at the cell's equator. This alignment is crucial for accurate chromosome segregation during cell division.
Which phase involves the chromosomes lining up along the equator of the cell?
Metaphase 1 is the phase of mitosis when the chromosomes line up along the equator. Homologous chromosomes line up in the middle of the cell, then spindle fibers attach onto the homologous chromosome.
What are the differences between metaphase I and metaphase II in meiosis?
In metaphase I of meiosis, homologous chromosomes line up in pairs at the center of the cell, while in metaphase II, individual chromosomes line up at the center. Additionally, in metaphase I, crossing over occurs between homologous chromosomes, leading to genetic variation, whereas in metaphase II, no crossing over occurs.
How is metaphase I of meiosis different from metaphase II in terms of chromosome alignment and segregation?
In metaphase I of meiosis, homologous chromosomes align in pairs at the center of the cell, while in metaphase II, individual chromosomes align singularly at the center. Additionally, in metaphase I, homologous chromosomes segregate to opposite poles, while in metaphase II, sister chromatids segregate to opposite poles.
How does the alignment of chromosomes differ at the equator between metaphase of mitosis and metaphase of meiosis 1?
In prophase the membrane of nucleus disappears, then the nucleus too, chromosomes unwrap, collocation of spindle apparatus is completed. In metaphase: chromosomes line up on equatorial cell-plate. there is very little difference
What stage of meiosis is when chromosomes line up in the center of the cell?
Chromosomes line up in the middle of the cell during meiosis.
How do metaphase of meiosis I and meiosis II differ?
It is different because pairs of chromosomes line up down the middle and in metaphase II single chromosomes are lined up across the middle
When do chromosomes line up at the equator of a cell?
Chromosomes line up with their centromeres on the equator during metaphase of any eukaryotic cell division: mitosis, meiosis I, or meiosis II.During metaphase the arms of the chromosomes are spread out, but it will be the centromeres that lead the way towards the poles during anaphase. This is because in metaphase some spindle fibers, which are formed by the cytoskeleton, attach to the centromeres. It is the contraction of these fibers that pulls the chromosomes (daughter-chromosomes in mitosis and meiosis II) towards the poles in anaphase.There is an important checkpoint during metaphase. If the spindle fibers are not correctly attached, division should stop. However, a few mistakes slip through the net, and sometimes both daughter-chromosomes of a pair (in other words, a pair of former sister-chromatids) move to the same pole. This phenomenon is called non-disjunction, and leads to an abnormal number of chromosomes in both daughter-nuclei.
