TY - GEN AU - Lahn,B T AU - Page,D C TI - Four evolutionary strata on the human X chromosome SN - 0036-8075 PY - 1999///1124 KW - Animals KW - Cell Line KW - Chromosome Mapping KW - Evolution, Molecular KW - Genetic Linkage KW - Humans KW - Recombination, Genetic KW - X Chromosome KW - Y Chromosome N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1126/science.286.5441.964 ER -