"This is also very common," she says. "It’s estimated that 5 percent of the population has misattributed parentage, whether ...

About 1.5 billion years ago, tiny visitors came to live inside the cells that later evolved into all plant and animal life -- including humans. Those visitors were mitochondria, small organelles whose ...

BIRMINGHAM, Ala. - About 1.5 billion years ago, tiny visitors came to live inside the cells that later evolved into all plant and animal life -- including humans. Those visitors were mitochondria, ...

DNA is a biological molecule that contains the instructions an organism needs to function, develop, and reproduce. It is present in all forms of life on earth and contains each organism’s genetic code ...

Mitochondria are “the powerhouse of the cell” (or so every fifth grade biology book will tell you) because they use aerobic respiration to generate ATP, the molecular form of energy that enables ...

As people grow older, their immune systems do not simply slow down, they often become locked into a simmering, ...

It has been claimed that because most of our DNA is active, it must be important, but now human-plant hybrid cells have been ...

Mitochondria have their own DNA, but the 13 genes in human mitochondria -- along with DNA sequences for tRNAs, rRNAs and some small peptides -- are massively overshadowed by the 20,000 genes in the ...