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If a cell has 40 chromosomes how many centromeres would it have when it is in metaphase?
=after any cell does mitosis it's 2 daughter cells will have the same amount of chromosomes as the parent cell meiosis is different then mitosis=
What is the network of nuclear threads that condense to make chromosomes in mitosis called?
centromeres
What do centromeres hold together?
DNA duplicates chromosomes that are connected at the centromere. They are usually connected through the kinetochore-microtubule which happens during the process of mitosis.
Doubled chromosomes first become visile in which step of mitosis?
double chromosomes first become visible in which step of mitosis?
What is the third phase of mitosis in which the centromeres split?
The third phase of mitosis is called anaphase. During anaphase, the centromeres split, allowing sister chromatids to be pulled to opposite ends of the cell by the spindle fibers. This separation ensures that each daughter cell will receive a full set of chromosomes.
Which phase of mitosis do chromosomes line up at the equator of the spindle?
Chromosomes line up at the equator of the spindle during the metaphase stage of mitosis. This is when the chromosomes are maximally condensed and are attached to the spindle fibers at their centromeres.
What is the first stage of mitosis where the chromosomes become shortened and doubled?
Prophase
Why are chromosomes called doubles chromosomes just before mitosis begins?
Amount of DNA that has been doubled
Do plant cells have centromeres?
Yes, plant cells have centromeres. Centromeres are specific DNA sequences located on the chromosome where the kinetochore assembles during cell division to help in the separation of chromosomes. These structures are essential for the proper alignment and segregation of chromosomes during mitosis and meiosis.
What is FALSE regarding chromosomes?
it's centromeres uncouple during metaphase of mitosis
Centromeres divide and sister chromosomes become full-fledged chromosomes during?
Centromeres divide and sister chromosomes become full-fledged chromosomes during the anaphase stage of mitosis. This is when the sister chromatids are pulled apart towards opposite poles of the cell, ultimately becoming individual chromosomes.
Chromosomes centromeres are attached to the kinetochere fibers?
Chromosomes' centromeres are indeed attached to kinetochore fibers, which are essential for proper chromosome movement during cell division. These fibers help align the chromosomes at the center of the cell and then pull them apart into separate daughter cells during mitosis. The kinetochore is a specialized protein structure located at the centromere that serves as the attachment point for the kinetochore fibers.
