An extra copy of a certain one of these is the cause of Down syndrome, and the term polyploidy is used to describe a cell with more than two sets of them.
Mary Lou Pardue and Joe Gall developed their namesake banding technique, and the one named for Philadelphia is associated with chronic myelogenous leukemia. Polytene and lampbrush are large types of these structures, whose ends are protected by telomeres. An extra copy of a certain one of these is the cause of Down syndrome, and the term polyploidy is used to describe a cell with more than two sets of them. For 10 points, name these thread-like strands of DNA, of which most humans have forty-six.
Mary Lou Pardue and Joe Gall developed their namesake banding technique, and the one named for Philadelphia is associated with chronic myelogenous leukemia.
{chromosomes}