Blood groups of apes and monkeys. VII. The human‐type A‐B‐H factors in gelada monkeys ( Theropithecus gelada )

A series of 21 gelada monkeys ( Theropithecus gelada ) all showed strong reactivity of their saliva for H substance, but no reactivity for either A or B. Tests on their sera in no case showed the simultaneous presence of both the agglutinins anti‐A and anti‐B; instead some animals had only anti‐A, others had only anti‐B, while the remainder had neither anti‐A nor anti‐B. These findings distinguish gelada monkeys from all other species of Old World monkeys tested to date. They also provide further evidence supporting the genetic independence of the H substance and the A‐B‐O blood groups

Biology · Pathology · Reactivity (psychology) · Zoology · Blood groups and transfusion · Diabetes and associated disorders · Medicine · Psychology · Regulation of Appetite and Obesity

• Blood groups of apes and monkeys. II. The A‐B‐O blood groups, secretor and lewis types of apes

  Open Access•A S Wiener, J Moor‐Jankowski et al.•American Journal of Physical…•1963

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