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Biol Bull 88: 63-70. (February 1945)
© 1945 Marine Biological Laboratory
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REGULAR OCCURRENCE OF HETEROPLOIDY IN A GROUP OF PENTATOMIDAE (HEMIPTERA)

FRANZ SCHRADER 1

1 Department of Zoology, Columbia University, New York

1. The fifth lobe in the testes of four species of Loxa and Mayrinia regularly produces sperms carrying heteroploid complements of chromosomes.

2. This condition must be of long evolutionary standing and may be of significance in the formation of new forms.






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Copyright © 1945 by the Marine Biological Laboratory.