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Biology 14 Online
OpenStudy (anonymous):

Number of copies of genetic material in each chromosome (metaphase)?

OpenStudy (yolo_king):

Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 7, one copy inherited from each parent, form one of the pairs. Chromosome 7 spans about 159 million DNA building blocks (base pairs) and represents more than 5 percent of the total DNA in cells.

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