{"@attributes":{"version":"2.0"},"channel":{"title":"Phys.org news tagged with:offspring","link":"https:\/\/phys.org\/","language":"en-us","description":"Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.","item":[{"title":"Tiny RNA molecules in sperm can have big impact on health of babies","description":"Mounting evidence from research on nematodes to mice indicate that a father's environment, such as what he eats or if he is exposed to stress or toxicants, can lead to metabolic and behavioral disorders in his offspring.","link":"https:\/\/phys.org\/news\/2026-01-tiny-rna-molecules-sperm-big.html","category":"Cell & Microbiology","pubDate":"Tue, 13 Jan 2026 11:32:55 EST","guid":"news687526272"},{"title":"Hunting pressure drives female turkeys to produce more daughters, study suggests","description":"Female turkeys could be running the roost for years to come. New research from the University of Georgia published in the Journal of Avian Biology found that the gender of turkey offspring may depend on whether the birds are living in an area full of hunters. And that trend could have big implications for the future of turkey populations.","link":"https:\/\/phys.org\/news\/2025-12-pressure-female-turkeys-daughters.html","category":"Plants & Animals","pubDate":"Tue, 23 Dec 2025 12:31:17 EST","guid":"news685715461"},{"title":"Targeted inheritance of sex improves animal breeding","description":"One of the fundamental rules of inheritance states that different alleles (gene copies) of a trait, such as sex, are inherited with equal frequency. \"However, we have long known that there are genes that can increase their rate of inheritance,\" explains Bernhard Herrmann. His laboratory at the MPIMG has been studying one such element for some time\u2014a section on chromosome 17 in mice called the t-haplotype.","link":"https:\/\/phys.org\/news\/2025-11-inheritance-sex-animal.html","category":"Plants & Animals","pubDate":"Mon, 24 Nov 2025 13:30:05 EST","guid":"news683213264"},{"title":"Why do men typically receive twice as much inheritance as women in Egypt? Research explains","description":"A vast majority of Egyptians surveyed during a study said they supported Islamic-based inheritance rules in which women inherit about half of what men receive.","link":"https:\/\/phys.org\/news\/2025-10-men-typically-inheritance-women-egypt.html","category":"Social Sciences","pubDate":"Wed, 29 Oct 2025 15:00:04 EDT","guid":"news680968801"},{"title":"How harnessing the 'selfish gene' could control harmful insect populations","description":"New research is shining a light on one of genetics' enduring puzzles\u2014how the workings of the so-called \"selfish gene\" could be harnessed to control harmful insect populations. By understanding the molecular basis of a selfish gene and the way it operates, scientists believe they could identify novel methods to control certain insects that are globally significant pests and disease carriers.","link":"https:\/\/phys.org\/news\/2025-09-harnessing-selfish-gene-insect-populations.html","category":"Plants & Animals","pubDate":"Thu, 18 Sep 2025 16:04:59 EDT","guid":"news677430295"},{"title":"Offspring of parasite-exposed crustaceans face increased mortality despite mothers faring well","description":"When University of Michigan researchers were looking at the effects of a parasite on a tiny freshwater crustacean, they found something unexpected.","link":"https:\/\/phys.org\/news\/2025-09-offspring-parasite-exposed-crustaceans-mortality.html","category":"Plants & Animals","pubDate":"Mon, 08 Sep 2025 15:39:07 EDT","guid":"news676564741"},{"title":"Iberian harvester ant queens are cloning different species to produce hybrid workers","description":"Worker ants perform important tasks like gathering food, taking care of eggs and larvae and nest building. However, some species of ants cannot produce workers through reproductive means with their own species. Eggs fertilized by male ants of the same species result only in more queens, while unfertilized eggs result in winged males\u2014those which leave the nest to mate with queens. So, where do the workers come from in these ant species?","link":"https:\/\/phys.org\/news\/2025-09-iberian-harvester-ant-queens-cloning.html","category":"Evolution","pubDate":"Thu, 04 Sep 2025 12:00:05 EDT","guid":"news676205662"},{"title":"Tortoise hatchlings born of century-old parents come out of their shells at Philadelphia Zoo","description":"Sixteen critically endangered western Santa Cruz tortoises born to some very old parents got a slow walk and the red carpet treatment Wednesday at a Philadelphia Zoo event to show off the highly prized hatchlings.","link":"https:\/\/phys.org\/news\/2025-08-tortoise-hatchlings-born-century-parents.html","category":"Ecology","pubDate":"Wed, 20 Aug 2025 15:50:02 EDT","guid":"news674922685"},{"title":"Space mice babies: Stem cells cryopreserved in space produce healthy offspring","description":"Features of spaceflight such as gravitational changes and circadian rhythm disruption\u2014not to mention radiation\u2014take a toll on the body, including muscle wasting and decreased bone density. These may even affect the ability to produce healthy offspring.","link":"https:\/\/phys.org\/news\/2025-08-space-mice-babies-stem-cells.html","category":"Space Exploration","pubDate":"Fri, 15 Aug 2025 11:04:25 EDT","guid":"news674467790"},{"title":"Sibling cooperation boosts survival in beetle larvae, even without parental care","description":"Researchers at the University of Bayreuth have discovered that offspring of burying beetles benefit from having siblings\u2014regardless of whether their parents are present to provide care. This challenges the long-standing paradigm that sibling rivalry over parental resources outweighs any benefits, making siblings a disadvantage for individual offspring.","link":"https:\/\/phys.org\/news\/2025-08-sibling-cooperation-boosts-survival-beetle.html","category":"Plants & Animals","pubDate":"Wed, 06 Aug 2025 07:00:04 EDT","guid":"news673682204"},{"title":"Too many male zoo animals may threaten endangered species conservation efforts","description":"The largest-ever study of over 2.6 million zoo birth records reveals skewed sex ratios in endangered species, from lemurs to elephants. The international team of scientists behind the study emphasizes that it is vital that zoos take into account the ratios of males to females born in captivity when planning conservation projects and breeding programs for endangered species to avoid the silent threat of having too many of one sex.","link":"https:\/\/phys.org\/news\/2025-07-male-zoo-animals-threaten-endangered.html","category":"Plants & Animals","pubDate":"Wed, 30 Jul 2025 12:29:58 EDT","guid":"news673097394"},{"title":"Some families may be 'tossing a weighted coin' when it comes to child sex","description":"The consensus on the likelihood of giving birth to a boy or girl has long been that the odds are roughly equal and that all mothers have the same odds of having either a boy or a girl. This is partially because sperm have a 50\u201350 chance of carrying either an X or Y chromosome. Yet, many families seem to be prone to having all girls or all boys. New research shows that there might be a reason for this.","link":"https:\/\/phys.org\/news\/2025-07-families-tossing-weighted-coin-child.html","category":"Evolution","pubDate":"Mon, 21 Jul 2025 11:24:45 EDT","guid":"news672315863"},{"title":"Female baboons with close father bonds tend to live longer lives, study finds","description":"A team of biologists and wildlife specialists from the University of Notre Dame and Duke University, in the U.S., and Amboseli Baboon Research Project, in Kenya, has found evidence that female baboons who have relatively strong ties with their fathers while growing up tend to live longer lives. For their study, published in the Proceedings of the Royal Society B: Biological Sciences, the group tracked the lifespans of more than 200 wild female baboons living in Kenya.","link":"https:\/\/phys.org\/news\/2025-06-female-baboons-father-bonds-tend.html","category":"Plants & Animals","pubDate":"Wed, 18 Jun 2025 15:09:20 EDT","guid":"news669478153"},{"title":"Depriving mice of iron can increase the chance of intersex offspring","description":"Iron deficiency in pregnant mice may lead to the development of ovaries in a small proportion of offspring carrying XY chromosomes, which typically determine male sex. The findings, published in Nature this week, reveal a link between iron metabolism and sex determination in mammals.","link":"https:\/\/phys.org\/news\/2025-06-depriving-mice-iron-chance-intersex.html","category":"Plants & Animals","pubDate":"Wed, 04 Jun 2025 11:33:21 EDT","guid":"news668255599"},{"title":"Breaking monogamy: Mate-switching found to have no effect on chick success in Seychelles warblers","description":"A study of Seychelles warblers led by Macquarie University in Australia, with collaborators in the UK and Netherlands, finds no measurable connection between how long bird parents stayed together and the physical condition or reproductive success of their offspring.","link":"https:\/\/phys.org\/news\/2025-06-monogamy-effect-chick-success-seychelles.html","category":"Evolution","pubDate":"Mon, 02 Jun 2025 10:50:01 EDT","guid":"news668078409"},{"title":"Wasp mothers have remarkable memory when it comes to feeding their young","description":"Digger wasps make a short burrow for each egg, stocking it with food and returning a few days later to provide more. A new study reveals that mother wasps can remember the locations of up to nine separate nests at once, rarely making mistakes, despite the fact nests are dug in bare sand containing hundreds belonging to other females.","link":"https:\/\/phys.org\/news\/2025-05-wasp-mothers-remarkable-memory-young.html","category":"Plants & Animals","pubDate":"Fri, 09 May 2025 11:00:08 EDT","guid":"news665998381"},{"title":"Selfish gene that skews sex ratio in fruit flies has unique self-limiting mechanism","description":"When a species reproduces, typically, each parent passes on one of their two versions (alleles) of a given gene to their offspring. But not all alleles play fair in their quest to be passed onto future generations.","link":"https:\/\/phys.org\/news\/2025-05-selfish-gene-skews-sex-ratio.html","category":"Cell & Microbiology","pubDate":"Thu, 08 May 2025 14:40:04 EDT","guid":"news665934001"},{"title":"Unusual reproductive strategies may boost survival in sharks and rays","description":"Joel Harrison Gayford, a marine biologist at James Cook University, in Australia, who specializes in research focused on chondrichthyan evolution and ecology, has published a paper in the journal Royal Society Open Science regarding two unusual forms of reproduction in chondrichthyans and possible reasons for them.","link":"https:\/\/phys.org\/news\/2025-05-unusual-reproductive-strategies-boost-survival.html","category":"Plants & Animals","pubDate":"Thu, 01 May 2025 10:30:19 EDT","guid":"news665314216"},{"title":"Discovering 'pirate parasitism': Wasps can successfully exploit unsuitable hosts with help from another species","description":"Parasitoid wasps sometimes lay eggs in unsuitable host insects, a behavior that has traditionally been considered accidental. However, researchers at the University of Tsukuba have discovered that parasitism can still be successful in these cases\u2014if another species of wasp lays eggs in the same host simultaneously. They have named this newly discovered parasitic strategy \"pirate parasitism.\"","link":"https:\/\/phys.org\/news\/2025-04-pirate-parasitism-wasps-successfully-exploit.html","category":"Plants & Animals","pubDate":"Fri, 18 Apr 2025 10:58:02 EDT","guid":"news664192681"},{"title":"Evolution without sex: How asexual mites generate genetic diversity and ensure survival","description":"In collaboration with colleagues from international partner institutions, researchers at the University of Cologne have investigated the asexual reproduction of oribatid mites using genome sequencing techniques.","link":"https:\/\/phys.org\/news\/2025-01-evolution-sex-asexual-mites-generate.html","category":"Evolution","pubDate":"Mon, 27 Jan 2025 10:13:04 EST","guid":"news657195181"},{"title":"Facultative sex allows some animals to reproduce with or without a partner. So why can't humans do it?","description":"If you've ever had a spiny leaf insect as a pet, or you're considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later to find two.","link":"https:\/\/phys.org\/news\/2025-01-facultative-sex-animals-partner-humans.html","category":"Plants & Animals","pubDate":"Wed, 08 Jan 2025 12:22:04 EST","guid":"news655561322"},{"title":"Just 7% of male humpback whales in New Caledonia may have fathered offspring","description":"A small international team of marine mammal scientists has found evidence that just 7% of the male humpback whales residing near New Caledonia, in the southwest Pacific, may have fathered offspring. For their project, reported in the journal Royal Society Open Science, the group studied photographs of the whales and conducted a genetic analysis from samples collected over the years 1995 to 2019.","link":"https:\/\/phys.org\/news\/2025-01-male-humpback-whales-caledonia-fathered.html","category":"Plants & Animals","pubDate":"Wed, 08 Jan 2025 11:21:53 EST","guid":"news655557709"},{"title":"'Toxic Male Technique' promises faster biocontrol of mosquito populations","description":"A new biological pest control method that targets the lifespan of female insects could significantly reduce the threat of insect pests such as disease-carrying mosquitoes by offering faster and more effective results than current methods.","link":"https:\/\/phys.org\/news\/2025-01-toxic-male-technique-faster-biocontrol.html","category":"Ecology","pubDate":"Tue, 07 Jan 2025 05:00:01 EST","guid":"news655374721"},{"title":"Barn swallow research offers real-time insight on how new species form","description":"Beauty is in the eye of the beholder\u2014even if that beholder is a barn swallow. Depending on where the birds live, some of them may favor mates with a paler chest color while others find a redder chest more attractive. The difference in what these birds prefer when it comes to choosing a mate is helping scientists unlock one of biology's greatest mysteries: How do new species originate?","link":"https:\/\/phys.org\/news\/2024-12-barn-swallow-real-insight-species.html","category":"Evolution","pubDate":"Thu, 12 Dec 2024 14:00:02 EST","guid":"news653215741"},{"title":"Cross-species transplantation: Generation of rat offspring from ovarian oocytes in mice","description":"The idea of maturing oocytes in the ovary to produce offspring has been implemented in various ways. One such method, ovarian transplantation, is a relatively simple procedure for obtaining eggs, compared to in vitro culture of ovaries and follicles. However, it is still difficult to transplant ovaries into cellular immunodeficient mice and produce offspring from the eggs grown in the mice.","link":"https:\/\/phys.org\/news\/2024-11-species-transplantation-generation-rat-offspring.html","category":"Plants & Animals","pubDate":"Fri, 15 Nov 2024 14:34:55 EST","guid":"news650903692"},{"title":"Study finds cheating boosts male sparrow fitness","description":"Cheating pays. Or at least it does for male sparrows, according to new research.","link":"https:\/\/phys.org\/news\/2024-10-boosts-male-sparrow.html","category":"Plants & Animals","pubDate":"Fri, 25 Oct 2024 11:56:02 EDT","guid":"news649076161"},{"title":"'True hybrid' mice might reveal how new species emerge","description":"Forty years ago, a postdoctoral researcher named James McGrath who would go on to spend more than three decades as a clinical geneticist and research scientist at Yale, made a discovery that advanced scientists' understanding of gene control and the rules governing genetic inheritance.","link":"https:\/\/phys.org\/news\/2024-10-true-hybrid-mice-reveal-species.html","category":"Evolution","pubDate":"Thu, 24 Oct 2024 09:25:03 EDT","guid":"news648980701"},{"title":"Researchers develop technique that enables breeding of genetically identical hybrid plants","description":"When different varieties of one plant species are crossed with each other, their hybrid offspring are often more robust and grow more quickly than their parents. However, in the next generation, this effect disappears again.","link":"https:\/\/phys.org\/news\/2024-10-technique-enables-genetically-identical-hybrid.html","category":"Biotechnology","pubDate":"Thu, 10 Oct 2024 16:11:05 EDT","guid":"news647795461"},{"title":"Lessons learned from Pennsylvania's rare chickadee 'hybrid zone' can now be accessed by students worldwide","description":"In the hybrid zone that encompasses the Lehigh Valley in Pennsylvania, the habitats of the Carolina Chickadee and the Black-capped Chickadee converge, creating an opportunity for the different species to cross-breed and produce hybrid offspring.","link":"https:\/\/phys.org\/news\/2024-08-lessons-pennsylvania-rare-chickadee-hybrid.html","category":"Plants & Animals","pubDate":"Wed, 28 Aug 2024 17:02:03 EDT","guid":"news644083321"},{"title":"Hong Kong welcomes birth of first giant panda cubs","description":"Hong Kong on Thursday announced the birth of a set of giant panda twins, the first cubs to be born in the city.","link":"https:\/\/phys.org\/news\/2024-08-hong-kong-birth-giant-panda.html","category":"Plants & Animals","pubDate":"Thu, 15 Aug 2024 15:07:29 EDT","guid":"news642953245"}]}}