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Updated: Dec 30, 2025

Gene Editing of Primary Rhesus Macaque B Cells
Published on: February 10, 2023
Heterosis associated with regional crossbreeding between captive groups of rhesus macaques
David Glenn Smith1,2, Linda M Scott2
1Department of Anthropology, University of California, Davis.
Abstract:
The lengths and weights of male and female Chinese-Indian hybrid rhesus macaques were compared with those of age- and sex-matched non-hybrid (Indian) controls to assess the occurrence of heterosis (hybrid vigor). Hybrid males and females had higher average, age-adjusted values of weight than nonhybrids. Hybrid males, but not females, also had a higher average, age-adjusted length than nonhybrids. These results are consistent with the hypothesis that regional crossbreeding of rhesus monkeys fosters heterosis.
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