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Population-genetic analysis of some neurodynamic parameters of man.

Morphological, sensory and motor, and cognitive measures were obtained on 203 Moscow schoolchildren and 23 families (both parents and one child). There was evidence for assortative mating for all traits measured. Within groups (girls, boys, fathers, mothers), coefficients of variation (CV) were greatest for cognitive, intermediate for sensory and motor, and smallest for morphological measures. The authors theorize the CV reflects the degree of biological and social determination of a trait and thus also its heritability.

Adolescent↗

Population genetic and family data for the human minisatellite locus D16S309 (MS205) in Germans.

The distribution of restriction fragments at the DNA minisatellite locus D16S309 was estimated by investigating blood samples from 2617 unrelated West German Caucasians and 1269 offspring. Furthermore segregation of fragments was studied in a large family and in trios. Altogether 2296 meioses were studied, revealing 7 paternal and 3 maternal mutations. Inspection of "phenotypes" did not reveal any remarkable deviation from Hardy-Weinberg equilibrium.

Adult↗