Scientists have long known that the DNA code in genes is not the only way to pass genetic traits from parents to offspring.

Using this system, we can map out the genetics of animals and see what combinations of genes the parents pass on to their calves. This is the key to understanding inheritance. Coat color basics Cattle ...

A new study suggests that the long-standing Mendelian view of genetics has some blind spots.

Most people with ALS don’t have a family history of it. Still, some cases of ALS are linked to inheriting specific gene mutations. Even nonfamilial cases can be linked to sporadic gene mutations that ...

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 ...

Get the support you need for your biology exam revision in 2026, whether you’re studying GCSE biology, Scottish National 5 biology or Higher biology. Check out our top tips to help you smash your GCSE ...