00489nam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102100002200118245004500140260004300185300002000228504003100248650001600279CHAP20220329140350.0971013s1962            r     00010     d  a50968  a51940  a56090  cCHAP  a575.1bW33N00aWaddington, C. H.  aNew patterns in genetics and development  aNew York :bColumbia University,c1962  a271 p.b: ilus.  aBibliografía: p. 243-25614aGenética.