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Both autosomes and sex chromosomes separate during mitosis./
Somatic chromosomes separate during mitosis with same number as in the parent cell.
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What type of fibers help separate the chromosomes?
spindle fibers separate chromosomes during mitosis and meiosis
Why is it necessary that DNA is packaged into chromosomes?
If DNA remained in a thread-like state it would be very difficult to effectively separate all the individual strands during any type of cell division. Discrete chromosomes created during the pachytene phase are much easier to separate cleanly.
What type of chromosome is produced during mitosis?
All chromosomes are reproduced during mitosis.
What is the type of assortment that involves the random distribution of homologous chromosomes during meiosis?
Independent.
What is the function of the spindle apparatus?
Microtubules
A type of protein found in eukaryotic chromosomes but not prokayotic chromosomes is?
This type of protein is a histone.
What does klinefelters syndrome come from what type of mutation?
Nondisjunction, or sending both chromosomes to one cell during meiosis.
Why do gametes have n numbers of chromosomes but not 2n?
Gametes are produced by the type of cell division called meiosis. During meiosis the number of chromosomes are halved. So if a cell starts off with 2n chromosomes and divides by meiosis the new cells will end up with n chromosomes.
How are nondisjunction and polyploidy related?
The difference between polyploidy and nondisjunction is that being polyploidy is a result of nondisjuction. When the metaphase II doesn't occur properly the homologous pairs will stay together. Leaving one cell with out that chromosome and with with an extra. Polyploidy has one too many chromosomes.
What type of sex chromosomes does a male have does?
XY chromosomes SDT
What is the function of microtubules during anaphase?
During the first stage of anaphase the kinetochore microtubules retract pulling the two sister chromatids apart towards the poles. During the second stage of anaphase the mitotic poles that is mared by the centrosomes themselves separate by the elongation of a specific type of non-kinetochore microtubule called as the polar microtubule.
The diagram below illustrates which type of chromosomes that may cross over and exchange portions of their chromatids during meiosis?
what type of cell has two sets of chromosomes
