The search for Y chromosome polymorphism is extended to negroids.
DNA samples of Negroid and Caucasoid origin were used to screen for Y-specific RFLPs. A total of 7 Y chromosome probes and 13 restriction enzyme digests were used to examine a conservative estimate of 20000bp. No new Y-specific polymorphisms were revealed. The paucity of polymorphism on the Y appears to be unrelated to possible bottleneck effects during raciation.
Department of Human Genetics, School of Pathology, South African Institute for Medical Research, Johannesburg.
A
A
Spurdle
T
T
Jenkins
D005075:Biological Evolution; D044383:Black People / Q000235:genetics*; D004247:DNA / Q000235:genetics; D015342:DNA Probes; D006801:Humans; D008297:Male; D012150:Polymorphism, Restriction Fragment Length; D044465:White People / Q000235:genetics; D014998:Y Chromosome
D015342:DNA Probes; D004247:DNA