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 ...

Charles Darwin bred pigeons, and used them to learn more about the inheritance of different characteristics. For pigeons, beak size is one of those characteristics. There are 350 pigeon breeds or more ...

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 ...