The number of X and Y chromosomes is important for sex differences, but another influential ... to the genome that do not alter the DNA sequence but regulate gene expression.

Female mammals typically carry two X chromosomes — one ... also enabled the team to pinpoint differences in epigenetics — chemical tags that attach to DNA and control which genes can be ...

Dr. Krishna Maharjan studies chromosomes and cell structures. One of Nepal’s leading cytogeneticists, he broadened my ...

Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus ... From grip-strength to aggression, there are myriad differences between men and women beyond simply their ...

Maternal DNA, particularly the X chromosome, significantly influences a baby’s brain development and aging. Genetic variations and maternal vitamin D levels during pregnancy impact cognition, memory, ...

The X contains more genes related to brain function than does any other chromosome. “The X chromosome may be a treasure trove ...

Breast cancers can be classified into subgroups that hint at the aggressiveness of the cancer and the likelihood that the ...

The X chromosome passed from mom to offspring may ... This also enabled the team to pinpoint differences in epigenetics — chemical tags that attach to DNA and control which genes can be switched on.

But a new study finds that, despite this apparent rebirth, younger forests may not offer those birds the same quality of ...

Breast cancers at all stages are defined by the structure of their genomes, researchers find. Targeting these processes early is likely to offer unexpected therapeutic avenues.

Why are lemons sour? Delve into the genetic explanations behind the tartness of lemons and their production of citric acid.