Sex differences are widespread across human development, physiological processes, and diseases, making it important to characterize the impact of sex differences in these areas. Understanding the regulatory mechanisms associated ...
Apr 10, 2024
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Many studies have found sex differences in cognitive abilities. In general, women outperform men on verbal and fine motor tasks, while men outperform women on spatial orientation and mental rotation tasks.
Apr 10, 2024
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A second-generation melanoma vaccine being developed at UVA Cancer Center improves long-term survival for melanoma patients compared with the first-generation vaccine, new research shows. Interestingly, the benefit of the ...
Mar 29, 2024
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Elizabeth Bauer was working out at the gym one morning last August when she got a phone call from her fertility nurse. It was a call that Bauer and her wife, Rebecca, had long been waiting for.
Mar 28, 2024
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It's easy to celebrate female empowerment during Women's History Month, but promoting women's well-being beyond a few dedicated weeks is a different, more difficult story.
Mar 26, 2024
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A higher genetic susceptibility to leisure computer usage is associated with an increased risk for erectile dysfunction (ED), according to a study published in Andrology.
Mar 23, 2024
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Using data from both mice and humans, a Johns Hopkins Medicine research team has found that a cell surface protein that senses odors and chemicals may be responsible for—and help explain—sex differences in mammalian blood ...
Mar 20, 2024
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In biology, sex is a process of combining and mixing genetic traits, often resulting in the specialization of organisms into male and female types (or sexes). Sexual reproduction involves combining specialized cells (gametes) to form offspring that inherit traits from both parents. Gametes can be identical in form and function (known as isogametes), but in many cases an asymmetry has evolved such that two sex-specific types of gametes (heterogametes) exist: male gametes are small, motile, and optimized to transport their genetic information over a distance, while female gametes are large, non-motile and contain the nutrients necessary for the early development of the young organism.
An organism's sex is defined by the gametes it produces: males produce male gametes (spermatozoa, or sperm) while females produce female gametes (ova, or egg cells); individual organisms which produce both male and female gametes are termed hermaphroditic. Frequently, physical differences are associated with the different sexes of an organism; these sexual dimorphisms can reflect the different reproductive pressures the sexes experience.
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