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 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 ...

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 ...

The same pathogen can often elicit very different responses from different people. Scientists sought to understand more about ...

“From Brown to Evergreen: How Eye Colors Evolved” Your eyes may seem ordinary when you catch your reflection each morn ...

The earliest studies of genetic inheritance were very straightforward - Gregor Mendel documented the passage of certain easily observable traits as they passed down through generations of pea plants.

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 ...

How much of our lifespan is written in our genes, and how much is sitting on our plates? A new analysis suggests that while ...

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 ...

Seven years ago, I took a bet from one of the most controversial figures in the scientific world. Charles Murray, the political scientist who—along with the late psychologist Richard Herrnstein—wrote ...

Genetics is just one of several factors thought to influence personality disorder development. Life experiences, family dynamics, coping mechanisms, and social learning may all be contributing factors ...