In the investigation of quantitative variations of a hereditary nature, it seems likely that the study by the histological method of reactions to the environment and of the obscure reaction known as ...

Such cases may be said to show latency due to heterozygosis. This condition is exemplified by some of Lang's snail crosses. The same phenomenon is involved in many cases of failure of dominance in ...

In conclusion, the results suggest that previously defined V1 clades show differences in birthdate, heterogeneity, projections to motoneurons and/or premotor networks, and collectively may represent ...

Preliminary results of chromosome studies on cultured umbilical-cord-blood leukocytes from a consecutive series of 2159 infants born during a year indicated that gross chromosome abnormalities ...