Pindar was much read, quoted, and copied during the Byzantine Era.
It is thought to have been copied during the late to mid-15th century.
Many texts were copied, during the Great Printing or after.
Epigenetic modifications to the chromatin are copied during cell division.
The chromosome arm is already copied during S phase of the cell cycle.
Sometimes, errors happen in the way that chromosomes are copied during this process.
As almost nobody had copied the texts during the last two thousand years, there was much difficulty in deciphering them.
This act was copied by hundreds of undergraduate students during the undergraduate graduation ceremonies.
The 'Jenny Lind' type was also widely copied during the late 1840s and 1850s, and into the 1860s.
His Liederbuch, or chansonnier, was copied during his study in Paris.