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Fritillary butterflies preserve genetic diversity through interbreeding

The formation of hybrids—organisms obtained after crossing genetically different forms—is more widespread in nature previously thought. Usually, only closely related species can hybridize. For example, hybrids occur in some populations of Daphnia.....»»

Category: topSource:  physorgAug 19th, 2021

Researchers identify genetic variant that helped shape human skull base evolution

Humans, Homo sapiens, have unique features compared with other closely related hominin species and primates, including the shape of the base of the skull. The evolutionary changes underlying these features were significant in allowing the evolution o.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Amazon butterflies show how new species can evolve from hybridization

If evolution was originally depicted as a tree, with different species branching off as new blooms, then new research shows how the branches may actually be more entangled. In "Hybrid speciation driven by multilocus introgression of ecological traits.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Earth Day: How a senator"s idea more than 50 years ago got people fighting for their planet

Millions of people around the world will pause on Monday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet that is now home to some 8 billion humans and asso.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Scientists explore the genetic foundations of Rhododendron flower color diversity

A research team has made strides in uncovering the genetic foundations of flower color variation within the Rhododendron genus. The team's review summarizes recent advancements in phylogenetic reconstruction, genome sequencing of various Rhododendron.....»»

Category: topSource:  physorgRelated NewsApr 16th, 2024

Researchers find cryptic genetic element in the human gut that could serve as a sensitive biomarker

A component of the human intestinal flora that has been little studied to date is the focus of a new study from Germany. Plasmids are small extrachromosomal genetic elements that frequently occur in bacterial cells and can influence microbial lifesty.....»»

Category: topSource:  informationweekRelated NewsApr 16th, 2024

How phytochemical diversity affects plant adaptation to stress

Phytochemical diversity plays a critical role in determining plant adaptation and fitness, as well as ecosystem functions and services. However, phytochemicals and their ecological adaptations have long been ignored. Fine (or absorptive) roots, micro.....»»

Category: topSource:  informationweekRelated NewsApr 16th, 2024

Boron deficiency in oilseed rape transcriptome resembles a wounding and infection response

Boron deficiency has a devastating effect on oilseed rape and related plants. However, little is known about the underlying genetic mechanisms. A study shows that the response to persistent or short-term acute boron deficiency is similar to that seen.....»»

Category: topSource:  physorgRelated NewsApr 15th, 2024

Report finds significant gender and racial inequities in the educational measurement profession

Gender and racially based employment disparities, differences in perceptions of diversity, equity, and inclusion (DEI), and workplace discrimination remain significant issues in the field of educational measurement, according to a new report......»»

Category: topSource:  physorgRelated NewsApr 15th, 2024

First insights into the genetic bottleneck characterizing early sheep husbandry in the Neolithic period

Modern Eurasian sheep predominantly belong to only two so-called genetic matrilineages inherited through the ewes, so previous research has assumed that genetic diversity must already have decreased rapidly in the early stages of domestication of wil.....»»

Category: topSource:  informationweekRelated NewsApr 15th, 2024

Tracing the lineage of North America"s native Blackfoot Confederacy

A team of researchers with varied backgrounds and affiliated with multiple organizations (including the Blackfoot Confederacy) in the U.S. and Canada has conducted a genetic study focused on tracing the lineage of North America's native Blackfoot Con.....»»

Category: topSource:  informationweekRelated NewsApr 15th, 2024

Macroalgae genetics study sheds light on how seaweed became multicellular

A deep dive into macroalgae genetics has uncovered the genetic underpinnings that enabled macroalgae, or "seaweed," to evolve multicellularity. Three lineages of macroalgae developed multicellularity independently and during very different time perio.....»»

Category: topSource:  marketingvoxRelated NewsApr 12th, 2024

Iconic savanna mammals face genetic problems due to fences and roads

Whether by way of Attenborough, Disney or National Geographic, the iconic scene is familiar to many. The ground trembles and clouds of dust swirl as enormous hordes of large animals thunder across the African savanna, cross rivers en masse and are pi.....»»

Category: topSource:  physorgRelated NewsApr 12th, 2024

New study finds potential targets at chromosome ends for degenerative disease prevention

We depend on our cells being able to divide and multiply, whether it's to replace sunburnt skin or replenish our blood supply and recover from injury. Chromosomes, which carry all of our genetic instructions, must be copied in a complete way during c.....»»

Category: topSource:  physorgRelated NewsApr 12th, 2024

Biologists reveal how gyrase resolves DNA entanglements

Picture in your mind a traditional "landline" telephone with a coiled cord connecting the handset to the phone. The coiled telephone cord and the DNA double helix that stores the genetic material in every cell in the body have one thing in common; th.....»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Firms embracing diversity may trade short-term pain for long-term gain

Short-term pain for long-term gain: That might be one way to describe the results of new research from the Alberta School of Business on the impact of diversity and inclusion (D&I) practices on business firms......»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Genetic underpinnings of environmental stress identified in model plant

Plants can be temperamental. Even weeds along the side of highways or pushing their way up in the cracks of concrete sidewalks can get stressed out by dehydration, cold, excess salt and more. Researchers at Hiroshima University have identified 14 gen.....»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

The Ultimate Guide to Popular Linux Games in 2024 – Boosters.gg Insights

With the gaming world constantly evolving, Linux has emerged as a formidable platform for gamers seeking diversity and freedom in their gaming experience. This guide, brought to you with insights from Boosters.gg, dives deep into the thriving ecosyst.....»»

Category: topSource:  unixmenRelated NewsApr 11th, 2024

New report "braids" Indigenous and Western knowledge for forest adaptation strategies against climate change

There are 154 national forests in the United States, covering nearly 300,000 square miles of forests, woodlands, shrublands, wetlands, meadows, and prairies. These lands are increasingly recognized as vital for supporting a broad diversity of plant a.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

Talking to Americans reveals the diversity behind the shared opinion "the country is on the wrong track"

If you pay any attention to politics and polling, you have likely heard that your friends and neighbors are not very happy with the direction of the country. You might not be, either......»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

Fossilized dinosaur eggshells can preserve amino acids, the building blocks of proteins, over millions of years

As a scientist, lab work can sometimes get monotonous. But in 2017, while a Ph.D. student of paleobiology at the University of Bristol in the U.K., I heard a gleeful exclamation from across the room. Kirsty Penkman, head of the North East Amino Acid.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024