0000950129-01-500719 10-Q 1 20010331 20010514 LEXICON GENETICS INC/TX 0001062822 2835 760474169 1231 10-Q 34 000-30111 1633564 4000 RESEARCH FOREST DRIVE 281-364-0100 THE WOODLANDS TX 77381 2813640100 4000 RESEARCH FOREST DR THE WOODLANDS TX 77381 10-Q 1 h87252e10-q.txt LEXICON GENETICS INCORPORATED - MARCH 31, 2001