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Iowa State University, Ames
Abstract
Leukocytes from normal female pigs and female pigs manifesting atresia ani were cultured. Chromosome counts and analyses were made using metaphase cells produced through such cultures.
The normal complex is characterized by 19 pairs of chromosomes—6 pairs of acrocentrics and 13 pairs having centromere positions varying from median to sub-terminal. No difference was found between the karyotypes of normal female pigs and females manifesting atresia ani.
1 Journal Paper No. J-5205 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Iowa. Project No.1424. This work has received assistance from Contract at (11-1)-707 from the U. S. Atomic Energy Commission.
2 Present address: Department of Animal Science, Virginia Polytechnic Institute, Blacksburg, Virginia.
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