How do scientists find their way around a chromosome? With chromosome maps called idiograms, researchers can pinpoint the locations of genes and locate abnormal gene forms. Aa Aa Aa Most ...

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 ...

Not all that data was clearly labeled as being from male or female octopuses. But they found another example of the half-sized chromosome in another species of octopus. They also found it in squid ...