TY - RPRT TI - The male-biased sex ratio in humans and its role in the transition from promiscuity to pair bonding AU - Nitschke, M. C. AU - Hawkes, K. AU - Kim, P. C. PY - 2025 DO - 10.64898/2025.12.01.691708 UR - https://www.biorxiv.org/content/10.64898/2025.12.01.691708v1 ID - 10.64898/2025.12.01.691708 ER -