000
00241 a2200109 4500
080
_a
575
_b
M 849 P
245
1
_a
Physical basis of heredity
_c
by T.H. Morgan
260
_c
1919
650
_a
Heredity
100
1
_a
Morgan, T.H.
_d
901
_a
3398
999
_c
30732
_d
30732