Jakub Fořt

Jakub Fořt
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Jakub verified their affiliation via an institutional email.
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Jakub verified their affiliation via an institutional email.
Charles University in Prague | CUNI · Department of Zoology (PF)

Master of Science

About

11
Publications
3,386
Reads
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9
Citations
Introduction
Interested in research on the fraternal birth order effect (FBOE) in men and the evolutionary origins of homosexuality.
Additional affiliations
October 2023 - present
Charles University in Prague
Position
  • PhD Student
Education
October 2021 - September 2023
Charles University in Prague
Field of study
  • Zoology
October 2018 - June 2021
Charles University in Prague
Field of study
  • Psychology
October 2016 - September 2019
Charles University in Prague
Field of study
  • Biology

Publications

Publications (11)
Article
There is robust evidence to the effect that homosexual individuals have systematically less offspring. The sexually antagonistic genes hypothesis claims that this fitness-related disadvantage of homosexual individuals is compensated by their other-sex relatives exhibiting greater fertility than the relatives of straight individuals. It would allow...
Poster
Full-text available
This poster presents findings from a large-scale Czech study comparing well-being and self-esteem between gender-diverse populations and cisgender individuals within the cultural context of Eastern Europe. The study reveals that binary transgender and non-binary/genderqueer individuals report significantly lower life satisfaction and self-worth com...
Article
Full-text available
The development of human sexual orientation remains a complex and multifaceted subject. It is often studied but its origins continue to elude us. In this preregistered study, our primary objective was to demonstrate the fraternal birth order effect (FBOE), which assumes a higher prevalence of older brothers in gay men than in their straight counter...
Article
Full-text available
One proposal for the persistence of homosexuality in the human population is the sexually antagonistic gene hypothesis, which suggests that the lower fertility of homosexual individuals, especially men, may be compensated by higher fertility of their relatives of the opposite sex. To test this hypothesis, we have collected data from 7,312 heterosex...
Article
Full-text available
Regarding the fact that gay men leave less offspring than straight men, it is appropriate to raise a question by which means is male homosexuality maintained in a population and what could eventually be its evolutionary role. The aim of this paper is to summarize theories that try to explain male homosexuality within the framework of evolution. Fur...

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