The nucleus of each human body cell contains 46 chromosomes. Each chromosome contains about 1000 genes. There is enough DNA in all the cells in a human body to stretch to the sun and back again ...

In evolutionary terms, fitness is defined as an organism's ability to survive and reproduce its genes into the next ...

Now nonchromosomal genes have been identified by the traditional methods of genetic analysis There has been evidence for many years that hereditary information exists apart from the chromosomal genes.

Several studies have shown that intelligence is only passed down from one parent, and all indicate that it is the mother who ...

Females, on the other hand, usually carry two X chromosomes — one from mom and one from dad. But each cell needs only one X ...

How do sex chromosomes affect intelligence? Created with Sketch. The X chromosome carries at least 150 genes linked to intelligence. Since the mother has two X chromosomes to pass along while the ...

The flowerpot snake, recognized as one of the smallest snakes globally, possesses some remarkable characteristics.

The flowerpot snake, one of the world's smallest snakes, has some unusual distinctions. Also known as the Brahminy blind ...

However, the genetic fragments tended to connect in unpredictable sequences of varying lengths, making it difficult to anticipate how the genes would behave. Furthermore, the constructs often attached ...

Researchers have shed new light on how a type of heart valve disease -- aortic valve stenosis -- progresses differently in males and females.

For one, inserting at the end of the chromosome helps the transposon avoid genes for the cell's core functioning, which reside in the middle of the chromosomes; transposons that can target the ...