The appropriate volume of each labeled pool (to contain 100 ng of ... channel was viewed individually and the signal for each chromosome recorded manually. This was important to resolve any ...

When bacterial DNA is labeled with radioactive atoms, it takes its own picture. Autoradiographs reveal that the bacterial chromosome is a single very long DNA molecule and show how it is duplicated ...

However, there is some evidence that the Y chromosome is being phased out of the evolutionary pipeline, and could one day disappear altogether — potentially giving rise to a new sex gene in the ...

Things are changeable in the aging brain, and the X chromosome clearly can teach us what’s possible.” Dena Dubal, MD, PhD The scientists created hybrid mice from two different strains of laboratory ...

In a surprise, work in mice has found that the dormant X chromosome in females can reawaken late in life and turn on genes that keep the brain healthy. UCSF researchers may have discovered how the ...