It's a controversial notion, but couples undergoing fertility treatments may soon be able to select the sex of their baby—with an 80% chance of success, doctors say.
Mar 22, 2023
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People with an additional X or Y chromosome—a genetic condition known as supernumerary sex chromosome aneuploidy—have an increased risk of developing blood clots known as venous thromboembolism (VTE), a Geisinger study ...
Jan 25, 2023
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Around one in 500 men could be carrying an extra X or Y chromosome—most of them unaware—putting them at increased risk of diseases such as type 2 diabetes, atherosclerosis and thrombosis, say researchers at the universities ...
Jun 10, 2022
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Most mammals, including humans, have two sex chromosomes, X and Y. One sex chromosome is usually inherited from each parent, and they pair up as either XX or XY in every cell of the body. People with XX chromosomes typically ...
Mar 21, 2022
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A new review article from Beth Israel Deaconess Medical Center (BIDMC) shows people who are biologically male are dying from COVID-19 at a higher rate than people who are biologically female. In a review published in Frontiers ...
Sep 22, 2020
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New insight on differences in the brains of men and women with autism has been published today in the open-access journal eLife.
Aug 4, 2020
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The strength and health of one's immune system is one key indicator of susceptibility to contracting pathogens, including the novel coronavirus. However, new evidence that may suggest more men get coronavirus than women has ...
Jul 30, 2020
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A scientific analysis of more than 2,000 brain scans found evidence for highly reproducible sex differences in the volume of certain regions in the human brain. This pattern of sex-based differences in brain volume corresponds ...
Jul 20, 2020
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Mismatch between biological sex and gender identity, culminating in its severest form as gender dysphoria, has been ascribed to mental disease, family dysfunction and childhood trauma.
Jan 24, 2019
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Medical researchers at Melbourne's Murdoch Children's Research Institute have made a new discovery about how a baby's sex is determined—it's not just about the X-Y chromosomes, but involves a 'regulator' that increases ...
Dec 14, 2018
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A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. Most sexual organisms have two sexes. In many cases, sex determination is genetic: males and females have different alleles or even different genes that specify their sexual morphology. In animals, this is often accompanied by chromosomal differences. In other cases, sex is determined by environmental variables (such as temperature) or social variables (the size of an organism relative to other members of its population). The details of some sex-determination systems are not yet fully understood.
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