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When reproductive cells mate and divide, the nonchromosomal genes are portioned out by rules that seem to differ from the Mendelian laws governing the chromosome genes.
From Time Magazine Archive
Until now it has been assumed that the female descendants of a mating transmit all the nonchromosomal genes, but Dr. Sager thinks that male descendants occasionally transmit a few.
From Time Magazine Archive
Further experiments may link nonchromosomal genes with the inherited characteristics of many species.
From Time Magazine Archive
