noun
physical map
In biology, a map of the physical locations of genes or markers on a chromosome, as opposed to a genetic linkage map.
物理的地図は、染色体上の遺伝子の正確な位置を示す。
A physical map shows the exact positions of genes on a chromosome.
遺伝的地図 (genetic map) is based on recombination frequencies, while 物理的地図 (physical map) shows actual physical distances along the chromosome.
Compound of 物理的 (physical) + 地図 (map).