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These cells, obtained by amniocentesis, were cultured and then arrested in metaphase. Nuclei from these cells were isolated and stained to demonstrate the banding pattern of each chromosome. This photograph shows a "chromosome spread." Each chromosome ...
These cells, obtained by amniocentesis, were cultured and then arrested in metaphase. Nuclei from these cells were isolated and stained to demonstrate the banding pattern of each chromosome. This photograph shows a "chromosome spread." Each chromosome is identified and lined up to give a karyotype (next page).
