Can a shark give birth without a male partner? The science of parthenogenesis.
In short: In 2021, a smooth-hound shark at a Sardinian aquarium gave birth despite living exclusively with other females for a decade. This video examines the biological phenomenon of parthenogenesis, a process allowing embryos to develop without fertilization, and explores how this asexual reproduction occurs in nature.
Parthenogenesis is a form of reproduction where an animal develops an embryo without the need for fertilization. The 2021 case of a smooth-hound shark in a Sardinian aquarium serves as a primary example, as the mother had been isolated from males for ten years prior to the birth.
The video investigates the mechanisms behind this process and questions how widespread such asexual reproduction is among different species. By analyzing this specific event, the presenters explain how life can bypass traditional reproductive requirements.
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Sources
- Summary by Intellect · source: How does this all-female species reproduce? - Susana Freitas and Darren Parker
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