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Aug. 18, 2022 —Two novel hypotheses have been proposed that address the 'two-fold cost of sex': one of the biggest enigmas in the evolution of sexual ...
July 14, 2021 —For 30 years, University of Tokyo Associate Professor Hisayoshi Nozaki has visited the Sagami River to collect algal samples to understand how living things evolved different sexes. The threes sexes ...
Oct. 2, 2020 —Biology textbooks may need to be re-written, with scientists finding a new piece of DNA essential to forming male sex organs in ...
Sep. 2, 2021 —The cichlids of Lake Tanganyika in Africa are highly diverse -- including with regard to sex chromosomes. These have changed extremely frequently in the course of the evolution of these fish and, ...
Sep. 25, 2020 —While the Y chromosome's role was believed to be limited to the functions of the sexual organs, a scientist has shown that it impacts the functions of other organs as ...
July 29, 2021 —New research finds that sexual reproduction and multicellularity drive diversity among different ...
Apr. 15, 2021 —Bearded dragon embryos can use two different sets of genes to become a female lizard -- one activated by the sex chromosomes and the other activated by high temperatures during development, ...
Oct. 14, 2021 —Hot desert sex has resulted in major genetic differences between male and female jojoba plants -- one of only 6 percent of plants that require a male and female plant to reproduce. New research ...
Feb. 24, 2022 —Stick insects that reproduce asexually cannot adapt as quickly in the course of evolution as sexually reproducing species, leading to a decrease in biological diversity, according to new ...
Sep. 9, 2022 —Scientists have known that sex-determination in vertebrates happens in the germ cells, a body's reproductive cells, and the somatic cells, the cells that are not reproductive cells. Yet they ...