Non-mosaic Down syndrome is a genetic disorder. Most people with non-mosaic Down syndrome have three copies of chromosome 21 in all of their cells (chromosome 21 trisomy); some have an extra copy of chromosome 21 attached to a different chromosome in all of their cells (chromosome 21 translocation).
Making the world better, one answer at a time. Stanislao Cannizzaro, an Italian chemist who worked with Dmitri, inspired Dmitri Mendeleev to come up with his creative ideas. Atomic Weight also inspired Mendeleev.
Mendeleevâs wish led to his discovery of the periodic law and his creation of the periodic table â one of the most iconic symbols ever seen in science: almost everyone recognizes it instantly: science has few other creations as well-known as the periodic table.he reason Mendeleev became the leader of the pack was probably because he not only showed how the elements could be organized, but he used his periodic table to: 1  Propose that some of the elements, whose behavior did not agree with his predictions, must have had their atomic weights measured incorrectly.