People usually expect resemblance to show up early. The baby looks like this parent or that one, and everyone settles the debate within weeks. What often gets missed is how much change happens quietly ...

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 ...

The development of the brain has been studied in detail in various organisms, and we know a lot about the genes and cells that are at work during the development of the central nervous system. It is ...

Research on Tourette’s indicates that the condition is strongly influenced by inherited genetic factors, with environmental factors also contributing to its development. Tourette syndrome is a ...