Scientists say that 55 percent of differences in human lifespan are due to genetic makeup, much more than previously believed ...

The COVID-19 pandemic gave us tremendous perspective on how wildly symptoms and outcomes can vary between patients experiencing the same infection. How can two people infected by the same pathogen ...

A great part of living in the 21st century is that if you have a device that connects to the internet, you have access to hundreds, if not thousands of experts who are often eager to share in-depth ...

In Mendelian inheritance patterns, you receive one version of a gene, called an allele, from each parent. These alleles can be dominant or recessive. Non-Mendelian genetics don’t completely follow ...

A new study of German twins suggests that the strong connection between a young adult's cognitive ability and their future ...

The concept of epigenetic inheritance has long been controversial. Some researchers hope that new data on cross-generational effects of environmental exposures will help settle the debate. Andrea ...

The Finnish population has provided investigators with a rare opportunity. Most Finns descend from a small, so-called founder population of individuals, and people have primarily reproduced with ...

Genetic testing for schwannomatosis is available and may be appropriate for some people. The current test identifies a mutation in the SMARCB1 gene, which predisposes an individual to developing the ...

A new study shows that plants can inherit mitochondria from their father, restoring fertility when maternal mitochondria are defective, challenging traditional views on mitochondrial inheritance.