遗传力与遗传相关
参考答案：
遗传力是指某数量性状能遗传给后代的能力，通常用育种值方差占表型值方差的比率表示。遗传相关则是指不同性状的育种值间的相关联系。
What depressed her was that although she kept waving her hand, nobody seemed _______ her new watch.
A．noticing
B．to have been noticed
C．to have noticed
D．having noticed
抑制细菌蛋白质合成的是
A．阿奇霉素 B．环丙沙星 C．利福平 D．SMZ E．头孢拉定
