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Chromosome: Difference between revisions
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===Chromosomes in Eukaryotes=== | ===Chromosomes in Eukaryotes=== | ||
In the Eukaryotic cell the [[cell nucleus|nucleus]] has many large linear chromosomes. The chromosomes contained within this nucleus all have a centromere, which is a special sequence or structure in a part of the chromosome. Chromatin is a protein that is made up of DNA that is found with in the nucleus. This is what packages the chromosomes. While the chromatin goes through a phase called interphase the chromosome is not yet seen. The eukaryotic cell goes through a stage known as mitosis or meiosis. During this stage the cell turns | In the Eukaryotic cell the [[cell nucleus|nucleus]] has many large linear chromosomes. The chromosomes contained within this nucleus all have a centromere, which is a special sequence or structure in a part of the chromosome. Chromatin is a protein that is made up of DNA that is found with in the nucleus. This is what packages the chromosomes. While the chromatin goes through a phase called interphase the chromosome is not yet seen. The eukaryotic cell goes through a stage known as mitosis or meiosis. During this stage the cell turns into a form that is easier to move and is smaller. Because of the size of the cell the chromosome is then visible. When the microtubules form a spindle within the cell it can attach to the chromosome. [http://en.wikipedia.org/wiki/Chromosome] | ||
===Chromosomes in Prokaryotes=== | ===Chromosomes in Prokaryotes=== | ||
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This line of argument for common ancestry aligns with that used for [[pseudogenes]] and generally [[junk DNA]]. Pseudogenes emerge within similar loci of apes and humans, or what are called parallel intron gains and are considered evidence of Darwinian assumptions. | This line of argument for common ancestry aligns with that used for [[pseudogenes]] and generally [[junk DNA]]. Pseudogenes emerge within similar loci of apes and humans, or what are called parallel intron gains and are considered evidence of Darwinian assumptions. | ||
{{Pool | {{Pool}} | ||
== References == | == References == | ||
<references /> | <references /> | ||
