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Chromosome - Dna And Protein Synthesis, Genes, Chromosome Numbers, Chromosome Shape, The Role Of Proteins In Packaging Dna

nucleus cells chromosomes sequence

A chromosome is a threadlike structure found in the nucleus of most cells. that carries the genetic material in the form of a linear sequence of deoxyribonucleic acid (DNA). In prokaryotes, or cells without a nucleus, the chromosome represents circular DNA containing the entire genome. In eukaryotes, or cells with a distinct nucleus, chromosomes are much more complex in structure. The function of chromosomes is to package the extremely long DNA sequence. A single chromosome (uncoiled) could be as long as 3 in (7.6 cm) and therefore visible to the naked eye. If DNA were not coiled within chromosomes, the total DNA in a typical eukaryotic cell would extend thousands of times the length of the cell nucleus.


[back] Chromosomal Abnormalities - Normal Number And Structure Of Human Chromosomes, Normal Cell Division, Alterations In Chromosome Structure, Genetic Counseling - Alterations in chromosome number

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