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A skin cell is a somatic, or body cell. Animals have half as many chromosomes in their gametes, as they do in their body cells. So if there are 94 chromosomes in a body cell, there shouldbe 47 in its gametes. That's why in general, all animals have an even number of chromosomes. It's worth noting that this is not always the case, however. Individuals with certain chromosomal disorders like Down syndrome actually have 47 chromosomes in their body cells, instead of 46. This is because they got 3 copies of chromosome 21, instead of the normal 2 copies. The reverse can also happen, where you receive only 1 copy of a chromosome.
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What is the activity of chromosomes in metaphase 1 of meiosis?
In Mitosis during Metaphase, the chromosomes line up on the metaphase plate, but without their homologues. In Meiosis during Metaphase I, the tetrads line up on the metaphase plate. Then it's back to double-stranded chromosomes lining up in Metaphase II. I
Which step of mitosis are the chromosomes lined up in the center of the cell?
The step of mitosis where chromosomes are lined up in the center of the cell is called metaphase. During metaphase, the chromosomes align along the cell's equator, forming the metaphase plate before they are separated into daughter cells during anaphase.
How many bivalents are present during metaphase 1 of meoisis in Drosophila where 2n10?
In Drosophila, which has a diploid chromosome number of 2n = 10, there are five pairs of homologous chromosomes. During metaphase I of meiosis, these homologous pairs align at the metaphase plate as bivalents. Therefore, there are five bivalents present during metaphase I in Drosophila with a diploid number of 10.
Where do the chromosomes line up along the cell?
chromosomes line up at the spindle equator during metaphase! chromosomes line up at the spindle equator during metaphase!
Phase of mitosis during which chromosomes move to the middle of the cell?
The phase of mitosis during which chromosomes move to the middle of the cell is called the metaphase. In metaphase, the chromosomes align along the metaphase plate, forming the spindle apparatus. This alignment ensures that each daughter cell receives the correct number of chromosomes during cell division.
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 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.
What is chromosomes line up in mitosis to known phase?
In Mitosis and Meiosis, this event is called Metaphase.
In which phase do chromosomes align on the spindle equator?
Chromosomes align on the spindle equator during the metaphase. During the metaphase the chromosomes meet on an imaginary line between the two poles.
What is the activity of chromosomes in metaphase 1 of meiosis?
In Mitosis during Metaphase, the chromosomes line up on the metaphase plate, but without their homologues. In Meiosis during Metaphase I, the tetrads line up on the metaphase plate. Then it's back to double-stranded chromosomes lining up in Metaphase II. I
Which step of mitosis are the chromosomes lined up in the center of the cell?
The step of mitosis where chromosomes are lined up in the center of the cell is called metaphase. During metaphase, the chromosomes align along the cell's equator, forming the metaphase plate before they are separated into daughter cells during anaphase.
During metaphase 2, do homologous chromosomes pair up?
During metaphase 2, homologous chromosomes do not pair up. Instead, individual chromosomes line up along the metaphase plate in preparation for separation during anaphase 2.
How do chromosomes align differently in meiosis compared to mitosis?
In meiosis, chromosomes align in pairs during metaphase I, while in mitosis, chromosomes align individually during metaphase.
Where are chromosomes located during metaphase?
Chromosomes are located at the center of the cell during metaphase, aligned along the metaphase plate. This alignment ensures that each chromosome is properly attached to the spindle fibers before they are separated during anaphase.
What phase do chromosomes line up?
Chromosomes line up during the metaphase stage of mitosis. In this phase, the chromosomes align at the center of the cell along the metaphase plate, forming a characteristic line or plane. This alignment ensures that each daughter cell receives the correct number of chromosomes during cell division.
Where do the chromosomes line up along the cell?
chromosomes line up at the spindle equator during metaphase! chromosomes line up at the spindle equator during metaphase!
Phase of mitosis during which chromosomes move to the middle of the cell?
The phase of mitosis during which chromosomes move to the middle of the cell is called the metaphase. In metaphase, the chromosomes align along the metaphase plate, forming the spindle apparatus. This alignment ensures that each daughter cell receives the correct number of chromosomes during cell division.
