Many times, scientists embark on a study looking for evidence for a particular hypothesis, and in the process, they come across something totally unexpected and different from their original purpose.

Over the past few decades, growing evidence has challenged the belief that inheritance is governed solely by DNA sequences. Scientists now recognize the crucial role of epigenetic inheritance—the ...

Between 1856 and 1863, an Austrian monk named Gregor Mendel performed a series of pioneering experiments by breeding plants. Using garden peas (Pisum sativum), he demonstrated that traits such as seed ...