The University of Bath study on 124 mammals shows that significant size differences between sexes correlate with larger olfactory gene families and smaller brain development gene families. This indicates different evolutionary investments based on sexual size dimorphism, influencing behaviors and mating strategies. Future research will focus on the role of testes size in genome evolution.
New research led by the University of Bath in the UK suggests that mammals with more advanced brain development tend to exhibit smaller size differences between males and females within the DOI: 10.1038/s41467-024-50386-x
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