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proteins which help maintain the shape of the chromosomes and aid in the tight packing of DNA
each species has a specific number of chromosomes in each cell. Some species have the same number
chromosomes that have the same sequence of genes, same structure, and pair during meiosis
consist of 46 chromosomes exist as 22 homologous pairs of autosomes and 2 sex chromosomes (XY in males; XX in females)
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