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two sets of twins sitting
Identical Twins Carry Distinctive Epigenetic Marks: Study
Researchers found more than 800 sites in the genome where the twins bore the same chemical tags.
Identical Twins Carry Distinctive Epigenetic Marks: Study
Identical Twins Carry Distinctive Epigenetic Marks: Study

Researchers found more than 800 sites in the genome where the twins bore the same chemical tags.

Researchers found more than 800 sites in the genome where the twins bore the same chemical tags.

twins

Identical Twins Accumulate Genetic Differences in the Womb
Catherine Offord | Jan 7, 2021 | 4 min read
DNA replication errors during cell division cause monozygotic twins to diverge from each other even during the earliest stages of development, a new study finds.
twins autism asd behavior autism spectrum disorder genetics environment sweden
Environmental Factors Don’t Explain Rise in Autism Prevalence
Peter Hess | May 22, 2020 | 3 min read
A large twin study in Sweden finds genetics has a much larger influence on the odds of an autism diagnosis, and has remained consistent over time.
Does Sharing the Womb with a Brother Affect Girls?
Ashley Yeager | Mar 19, 2019 | 2 min read
A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.
Ultrasound of twins
Doctors Report World’s Second Case of “Semi-Identical” Twins
Catherine Offord | Feb 28, 2019 | 2 min read
The extremely rare event, thought to be caused by two sperm cells fertilizing the same egg simultaneously, was last reported in 2007.
Image of the Day: Conjoined and Separated
Carolyn Wilke | Jan 28, 2019 | 1 min read
Now two years old, the Delaney twins were born joined at the head and were successfully separated in June 2017.
Claim of First Gene-Edited Babies Triggers Investigation
Catherine Offord | Nov 26, 2018 | 2 min read
He Jiankui says he has successfully used CRISPR-Cas9 to tweak the genes of twins born earlier this month. Some independent experts are dubious.
Image of the Day: Elephant Twins
The Scientist and The Scientist Staff | Apr 16, 2018 | 1 min read
A pair of calves was born about eight months ago in Tanzania’s Tarangire National Park.
Mosquitoes Play Genetic Favorites
Jef Akst | Apr 23, 2015 | 2 min read
A twin study suggests that the blood-sucking insects are more attracted to people with certain genes.
Environmental Immunity
Jenny Rood | Jan 16, 2015 | 1 min read
Twin study shows environmental factors play a greater role than genetic ones in shaping individual immunity.
Gut Microbiome Heritability
Tracy Vence | Nov 6, 2014 | 3 min read
Analyzing data from a large twin study, researchers have homed in on how host genetics can shape the gut microbiome.
Test Scores Are in the Genes
Jef Akst | Dec 16, 2013 | 2 min read
More than school or family environment, a child’s genetics influences high school exam results.
The Neurobiology of Individuality
Dan Cossins | May 9, 2013 | 3 min read
Mice that explore more have higher levels of neurogenesis, suggesting a link between experience, brain plasticity, and the emergence of distinct personalities.
Leukemia Linked to Changes in Womb
Edyta Zielinska | Apr 10, 2013 | 1 min read
Genetic changes that may initiate childhood leukemia could originate while the baby is still in utero.
Early Epigenetic Influence
Sabrina Richards | Jul 16, 2012 | 3 min read
Random chance, plus small differences in uterine environments, give rise to divergent epigenetic patterns in identical twins.
Why Have Twins?
Jef Akst | Aug 11, 2011 | 2 min read
Mothers more likely to have twins have heavier, healthier non-twin babies, possibly explaining why twinning evolved.
Autism Study Criticized
Megan Scudellari | Jul 7, 2011 | 1 min read
Controversial new research links autism to the environment, not genetics.
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