progeny GRE

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内进杂交的个体比以两个方向进杂交的个体繁殖后代要多，因此为了产生无生机的杂种，就要消耗掉一些配子。

Infection of tumor cells with conditionally replicating adenovirus results in tumor-specific replication,subsequent oncolysis and release of the virus progeny.

增殖型腺病毒能在胞中复制并裂解胞,释放出的子代病毒再感染邻近胞直至完全杀灭,却不影响正常胞的功能。