#chromosomes — Public Fediverse posts

How many chromosomes does a normal human cell have?
A. 46
B. 48
C. 23
D. 24
#chromosomes #genetics #genome #dna ... Continue to: https://www.facebook.com/1130092409221646/posts/1369812005249684

How many chromosomes does a normal human cell have?
A. 46
B. 48
C. 23
D. 24
#chromosomes #genetics #genome #dna ... Continue to: https://www.facebook.com/1130092409221646/posts/1369812005249684

How many chromosomes does a normal human cell have?
A. 46
B. 48
C. 23
D. 24
#chromosomes #genetics #genome #dna ... Continue to: https://www.facebook.com/1130092409221646/posts/1369812005249684

https://medium.com/the-story-well/nettie-stevens-the-scientist-who-never-got-credit-02348630ab23

Nettie Stevens, the scientist who never got credit.
Recognition doesn’t always follow achievement.

Her work changed how science understands biological development, yet her name rarely appears.

#science #recognition #nettiestevens #medium #scientificresearch #biology #dna #chromosomes

https://medium.com/the-story-well/nettie-stevens-the-scientist-who-never-got-credit-02348630ab23

Nettie Stevens, the scientist who never got credit.
Recognition doesn’t always follow achievement.

Her work changed how science understands biological development, yet her name rarely appears.

#science #recognition #nettiestevens #medium #scientificresearch #biology #dna #chromosomes

#Genetic Scores are Booming. But Will Anti-Discrimination Laws Cover Your #DNA ?

A scanning electron micrograph of human #chromosomes. #Polygenic risk scoring, increasingly popular in personal #medicine , uses an individual’s #genome to estimate that person’s likelihood of developing a specific #disease.
#privacy #health

https://www.nytimes.com/2026/05/28/health/polygenic-risk-scores-workplace.html

#Genetic Scores are Booming. But Will Anti-Discrimination Laws Cover Your #DNA ?

A scanning electron micrograph of human #chromosomes. #Polygenic risk scoring, increasingly popular in personal #medicine , uses an individual’s #genome to estimate that person’s likelihood of developing a specific #disease.
#privacy #health

https://www.nytimes.com/2026/05/28/health/polygenic-risk-scores-workplace.html

https://www.theguardian.com/lifeandstyle/2026/may/14/antidepressants-pregnancy-not-raise-childrens-risk-autism-adhd-stud. #Autism is #genetic, so of course not. Why do people keep looking for #environmental factors? There are multiple #genes on multiple #chromosomes, & no possibility of a so-called "cure" - not that any of us want one. I certainly don't, thanks VERY much!

https://www.theguardian.com/lifeandstyle/2026/may/14/antidepressants-pregnancy-not-raise-childrens-risk-autism-adhd-stud. #Autism is #genetic, so of course not. Why do people keep looking for #environmental factors? There are multiple #genes on multiple #chromosomes, & no possibility of a so-called "cure" - not that any of us want one. I certainly don't, thanks VERY much!

#PhysCell Conference, 7–11 September 2026 in Egmond aan Zee, a lovely beach location in the #netherlands

Deadline May 8, 2026.

https://meetings.embo.org/event/26-physcell

Conference topics include:

* #Mechanics and #dynamics of #membranes, #cells, #tissues, and #organoids
* Reconstituted systems and synthetic cells
* #Biomolecular condensates
* #Physics of #chromosomes and the #nucleus
* Sensing and information in #livingCells

See you there!

#PhysCell Conference, 7–11 September 2026 in Egmond aan Zee, a lovely beach location in the #netherlands

Deadline May 8, 2026.

https://meetings.embo.org/event/26-physcell

Conference topics include:

* #Mechanics and #dynamics of #membranes, #cells, #tissues, and #organoids
* Reconstituted systems and synthetic cells
* #Biomolecular condensates
* #Physics of #chromosomes and the #nucleus
* Sensing and information in #livingCells

See you there!

"In this definitive and wide-ranging book, she outlines the discovery, molecular biology and evolution of sex chromosomes as well as the determination of sex across vertebrates — including the charged public discourse around genes, sex and gender."

https://www.nature.com/articles/d41586-026-01101-x

#Genetics #Chromosomes #Genes #Gender #Sex #Books #Reviews #Biology

"In this definitive and wide-ranging book, she outlines the discovery, molecular biology and evolution of sex chromosomes as well as the determination of sex across vertebrates — including the charged public discourse around genes, sex and gender."

https://www.nature.com/articles/d41586-026-01101-x

#Genetics #Chromosomes #Genes #Gender #Sex #Books #Reviews #Biology

Noticed an excessively long label peeling off a flask today. This telomere analogy sprang to mind:

#Chromosomes #Telomeres #Humor #ScienceHumor #Biology

Noticed an excessively long label peeling off a flask today. This telomere analogy sprang to mind:

#Chromosomes #Telomeres #Humor #ScienceHumor #Biology

Happy birthday to Canadian 🇨🇦 geneticist Irene Ayako Uchida (1917-2013)! My #linocut is hand printed on 9.25” x 12.5” Japanese kozo (or mulberry) paper. Uchida is shown surrounded by chromosones, with anomalies (shown with pink arrows) due to radiation exposure, based on one of her research papers. A strand of DNA is hidden in the image (as her watchband).⁠
⁠🧵1/
⁠

https://minouette.etsy.com/listing/608036877

#printmaking #sciart #genetics #cytology #DNA #histstm #WomenInSTEM #chromosomes #mastoArt

Happy birthday to Canadian 🇨🇦 geneticist Irene Ayako Uchida (1917-2013)! My #linocut is hand printed on 9.25” x 12.5” Japanese kozo (or mulberry) paper. Uchida is shown surrounded by chromosones, with anomalies (shown with pink arrows) due to radiation exposure, based on one of her research papers. A strand of DNA is hidden in the image (as her watchband).⁠
⁠🧵1/
⁠

https://minouette.etsy.com/listing/608036877

#printmaking #sciart #genetics #cytology #DNA #histstm #WomenInSTEM #chromosomes #mastoArt

"Men tend to lose the Y chromosome from their cells as they age. But because the Y bears few genes other than for male determination, it was thought this loss would not affect health.

But evidence has mounted over the past few years that when people who have a Y chromosome lose it, the loss is associated with serious diseases throughout the body, contributing to a shorter lifespan."

https://theconversation.com/men-lose-their-y-chromosome-as-they-age-scientists-thought-it-didnt-matter-but-now-were-learning-more-275823

#Chromosomes #YChromosome #Health #Genetics

"Men tend to lose the Y chromosome from their cells as they age. But because the Y bears few genes other than for male determination, it was thought this loss would not affect health.

But evidence has mounted over the past few years that when people who have a Y chromosome lose it, the loss is associated with serious diseases throughout the body, contributing to a shorter lifespan."

https://theconversation.com/men-lose-their-y-chromosome-as-they-age-scientists-thought-it-didnt-matter-but-now-were-learning-more-275823

#Chromosomes #YChromosome #Health #Genetics

Researchers Find Evidence That It May Be Genes On The X Chromosome That Cause The Height Difference Between Men And Women » TwistedSifter

Shutterstock On average, men are about 13 centimeters (5 inches) taller than women. This is something that is…
#NewsBeep #News #Science #AU #Australia #Chromosomes #Gender #Genome #height #heightdifference #men #singletopic #top #women
https://www.newsbeep.com/au/446800/

Bayesian data driven modelling of kinetochore dynamics: Space-time organisation of the human metaphase plate
https://atlas.whatip.xyz/post.php?slug=bayesian-data-driven-modelling-of-kinetochore-dynamics-space-time-organisation-of-the-human-metaphase-plate
Author summary Cell division segregates newly duplicated chromosomes into two daughter cells
#chromosomes #kinetochore #modelling #bayesian

Scientists fuse human cells with #Plant #Protoplasts in laboratories to study how #Chromosomes function across vastly different species.

These #Hybrids cannot develop into organisms but offer vital clues about the fundamental evolution of life on Earth.

https://knowledgezone.co.in/posts/Human-Plant-Hybrid-Cells-695b82deb87924710cf7be36

Scientists fuse human cells with #Plant #Protoplasts in laboratories to study how #Chromosomes function across vastly different species.

These #Hybrids cannot develop into organisms but offer vital clues about the fundamental evolution of life on Earth.

https://knowledgezone.co.in/posts/Human-Plant-Hybrid-Cells-695b82deb87924710cf7be36

#KnowledgeBit: #Karyogram is a diagram or #Photograph of the #Chromosomes of a cell, arranged in homologous pairs and in a numbered sequence. The way chromosomes are organized in the image makes them easy to visualize.

It is also called #Idiogram.

https://knowledgezone.co.in/kbits/64e87587d8188cdf1f403b4f

#KnowledgeBit: #Karyogram is a diagram or #Photograph of the #Chromosomes of a cell, arranged in homologous pairs and in a numbered sequence. The way chromosomes are organized in the image makes them easy to visualize.

It is also called #Idiogram.

https://knowledgezone.co.in/kbits/64e87587d8188cdf1f403b4f

Before #cells can divide, they first need to replicate all of their #chromosomes, so that each of the daughter cells can receive a full set of #genetic material. Until now, scientists had believed that as division occurs, the #genome loses the distinctive 3D internal structure that it typically forms.
#Biomolecular #Biochemistry #Bioengineering #sflorg
https://www.sflorg.com/2025/10/bmol10172501.html

Before #cells can divide, they first need to replicate all of their #chromosomes, so that each of the daughter cells can receive a full set of #genetic material. Until now, scientists had believed that as division occurs, the #genome loses the distinctive 3D internal structure that it typically forms.
#Biomolecular #Biochemistry #Bioengineering #sflorg
https://www.sflorg.com/2025/10/bmol10172501.html

Why do #women outlive #men? A study of 1,176 species points to an answer.
Body of evidence suggests women's #longevity may derive, from having double X #chromosomes, a redundancy that protects them against harmful mutations. The most sweeping analysis to date of #lifespan differences between males and females in more than 1,000 #mammal and #bird species.
“From a #human standpoint, it’s really remarkable that women live longer across almost every country in the world”
https://www.msn.com/en-us/news/technology/why-do-women-outlive-men-a-study-of-1176-species-points-to-an-answer/ar-AA1NGK38

Why do #women outlive #men? A study of 1,176 species points to an answer.
Body of evidence suggests women's #longevity may derive, from having double X #chromosomes, a redundancy that protects them against harmful mutations. The most sweeping analysis to date of #lifespan differences between males and females in more than 1,000 #mammal and #bird species.
“From a #human standpoint, it’s really remarkable that women live longer across almost every country in the world”
https://www.msn.com/en-us/news/technology/why-do-women-outlive-men-a-study-of-1176-species-points-to-an-answer/ar-AA1NGK38

#Scientists have confirmed that the Atlas blue #butterfly carries the most #chromosomes of any #animal, with 229 pairs. Unlike duplication, its chromosomes split apart, reshaping its #genome in surprising ways. This discovery sheds light on #evolution, #conservation, and even #cancer research

https://www.sciencedaily.com/releases/2025/09/250929054931.htm

#DidYouKnow: #Cytogenetics refers to the study of tissue, blood, blood marrow, or culture cells in a laboratory, using banding or manipulating techniques to look for changes in the #Chromosomes, including broken, missing, rearranged, or extra chromosomes.

Changes in the chromosomes may be a sign of a genetic disease or condition

https://knowledgezone.co.in/kbits/63733054ce2d8b5293420db1

#DidYouKnow: #Cytogenetics refers to the study of tissue, blood, blood marrow, or culture cells in a laboratory, using banding or manipulating techniques to look for changes in the #Chromosomes, including broken, missing, rearranged, or extra chromosomes.

Changes in the chromosomes may be a sign of a genetic disease or condition

https://knowledgezone.co.in/kbits/63733054ce2d8b5293420db1

White mold fungi split their genome across several nuclei, with implications for future gene editing
#Fungi #Genetics #Genome #WhiteMold #Microbiology #ScienceNews #UBCResearch #PlantPathology #Biotech #GeneEditing #Chromosomes #Mycology
https://the-14.com/white-mold-fungi-split-their-genome-across-several-nuclei-with-implications-for-future-gene-editing/

White mold fungi split their genome across several nuclei, with implications for future gene editing
#Fungi #Genetics #Genome #WhiteMold #Microbiology #ScienceNews #UBCResearch #PlantPathology #Biotech #GeneEditing #Chromosomes #Mycology
https://the-14.com/white-mold-fungi-split-their-genome-across-several-nuclei-with-implications-for-future-gene-editing/

White mold #fungi split their #genome across several nuclei https://theconversation.com/white-mold-fungi-split-their-genome-across-several-nuclei-with-implications-for-future-gene-editing-260699

"#spores of S. sclerotiorum contain one set of 16 #chromosomes divided across two nuclei, rather than each nucleus containing a complete set... #chromosome composition varies among nuclei, suggesting the division of chromosomes between nuclei is in an irregular manner... to produce the next generation, they need to reform a diploid cell with the full suite... Presumably, this requires the fusion of nuclei"

Did you know that humans have one less pair of chromosomes than the other apes?
At some point (slightly less than a million years ago iirc) someone was born with two chromosome pairs fused end to end - and it not just worked but worked so well it took over completely for the whole population. So it had to have been at least initially fully compatible with not having them fused, or else that person wouldn't have had fertile kids.

#HumanEvolution #Chromosomes #ChromosonalVariation

Did you know that humans have one less pair of chromosomes than the other apes?
At some point (slightly less than a million years ago iirc) someone was born with two chromosome pairs fused end to end - and it not just worked but worked so well it took over completely for the whole population. So it had to have been at least initially fully compatible with not having them fused, or else that person wouldn't have had fertile kids.

#HumanEvolution #Chromosomes #ChromosonalVariation

Researchers get viable #mice by editing #DNA from two #sperm
Altering chemical modifications of DNA lets the DNA from two sperm make a #mouse.
It took until earlier this year, when a very specific combination of 20 different gene edits and deletions enabled mice generated using the #chromosomes from two sperm cells to survive to adulthood.
https://arstechnica.com/science/2025/06/researchers-get-viable-mice-by-editing-dna-from-two-sperm/

Researchers get viable #mice by editing #DNA from two #sperm
Altering chemical modifications of DNA lets the DNA from two sperm make a #mouse.
It took until earlier this year, when a very specific combination of 20 different gene edits and deletions enabled mice generated using the #chromosomes from two sperm cells to survive to adulthood.
https://arstechnica.com/science/2025/06/researchers-get-viable-mice-by-editing-dna-from-two-sperm/

Separase plays a key role in cleaving #cohesin complexes that hold #chromosomes together during cell division. Martin Anger explores a @PLOSBiology study showing that #separase activity is controled by #cyclin B/CDK1 & securin in #meiosis (and not SGO2). Paper: https://plos.io/3RAoccz Primer: https://plos.io/43L91UR

Separase plays a key role in cleaving #cohesin complexes that hold #chromosomes together during cell division. Martin Anger explores a @PLOSBiology study showing that #separase activity is controled by #cyclin B/CDK1 & securin in #meiosis (and not SGO2). Paper: https://plos.io/3RAoccz Primer: https://plos.io/43L91UR

Separase plays a key role in cleaving #cohesin complexes that hold #chromosomes together during cell division. Martin Anger explores a @PLOSBiology study showing that #separase activity is controled by #cyclin B/CDK1 & securin in #meiosis (and not SGO2). Paper: https://plos.io/3RAoccz Primer: https://plos.io/43L91UR

Separase plays a key role in cleaving #cohesin complexes that hold #chromosomes together during cell division. Martin Anger explores a @PLOSBiology study showing that #separase activity is controled by #cyclin B/CDK1 & securin in #meiosis (and not SGO2). Paper: https://plos.io/3RAoccz Primer: https://plos.io/43L91UR

Separase plays a key role in cleaving #cohesin complexes that hold #chromosomes together during cell division. Martin Anger explores a @PLOSBiology study showing that #separase activity is controled by #cyclin B/CDK1 & securin in #meiosis (and not SGO2). Paper: https://plos.io/3RAoccz Primer: https://plos.io/43L91UR

Orange Fur Created By A Unique Mutation In Domestic Cats, study out of Stanford Medicine & Kyushu University, published by Current Biology

by @GrrlScientist

#cats #color #mammal #genetics #chromosomes #evolution #SciComm https://www.forbes.com/sites/grrlscientist/2025/06/02/orange-fur-created-by-a-unique-mutation-in-domestic-cats/

Orange Fur Created By A Unique Mutation In Domestic Cats, study out of Stanford Medicine & Kyushu University, published by Current Biology

by @GrrlScientist

#cats #color #mammal #genetics #chromosomes #evolution #SciComm https://www.forbes.com/sites/grrlscientist/2025/06/02/orange-fur-created-by-a-unique-mutation-in-domestic-cats/

Orange Fur Created By A Unique Mutation In Domestic Cats, study out of Stanford Medicine & Kyushu University, published by Current Biology

by @grrlscientist

#cats #color #mammal #genetics #chromosomes #evolution #SciComm https://www.forbes.com/sites/grrlscientist/2025/06/02/orange-fur-created-by-a-unique-mutation-in-domestic-cats/