题干
1000个卵原细胞与500个精原细胞如果全部发育成熟，受精后最多产生的合子数为（ ）
A：1000个
B：2000个
C：4000个
D：500个
答案(点此获取答案解析）
A
omy suffered a great loss from the May12 earthquake _____ the snow and ice storm in February, 2008. Which of the following is NOT true?