Approximately 80% of Caucasian people possess the Se gene and are<unk> s; the other 20% are non-secretors. The frequency of the Se gene is approximately 50% in most ethnic groups, but Aboriginal Australians, Inuit, and some Native American and Melanesian groups exhibit a frequency of nearly 100%, while the frequency is only 22% in South India.
Secretor status
Blood type
History of pathology
SAMPLE history
Indian blood group system
Junior blood group system
Hh blood group
Lan blood group system