What question did this study set out to answer?

This research explores the relationship between reproductive value and primary sex ratios in populations capable of facultative asexual reproduction.

June 17, 2026EvolutionOpen Access

Reproductive value and primary sex ratios under facultative asexual reproduction by both sexes in age-structured populations

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Authors

PRPetri RautialaUniversity of Jyväskylä JLJussi LehtonenTampere University of Applied Sciences

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Implication

Theoretical analysis investigates sex ratio dynamics and reproductive value under facultative asexual reproduction in populations, indicating important implications for evolution.

Key Points

This research explores the relationship between reproductive value and primary sex ratios in populations capable of facultative asexual reproduction.
Derived relative reproductive values for daughters and sons in age-structured populations
Examined effects of asexual reproduction on the primary sex ratio
Provided a general expression for the primary sex ratio of the sexual pathway
Primary sex ratio remains unchanged when asexual reproduction produces offspring of the same sex as parents
Sex ratio is altered if asexual reproduction produces opposite-sex offspring
Special cases of post-hatching population sex ratios from prior studies are confirmed.

Cite This Study

Rautiala et al. (2026) studied this question.

synapsesocial.com/papers/6a323cc9d50b63ecad206d4b https://doi.org/10.1093/evolut/qpag115

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Implication

Theoretical analysis investigates sex ratio dynamics and reproductive value under facultative asexual reproduction in populations, indicating important implications for evolution.

Reproductive value and primary sex ratios under facultative asexual reproduction by both sexes in age-structured populations

Discussion

Member takes

Implication

Key Points

Cite This Study

Reproductive value and primary sex ratios under facultative asexual reproduction by both sexes in age-structured populations

Discussion

Member takes

Implication

Key Points

Cite This Study

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