作者: T. A. Borgese , J. F. Bertles
DOI: 10.1126/SCIENCE.148.3669.509
关键词:
摘要: The 7-day white Peking duck embryo contains two hemoglobins (Hb's III and IV) which are electrophoretically distinct from the adult I II). Hemoglobin IV had disappeared in 14-day embryo, at time Hb's II evident. synthesis of Hb is not restricted to embryonic life but continues duckling ceases before 10th week development after hatching.