下列关于生物工程的叙述中，错误的是 （ ）
A：在培养根尖细胞形成愈伤组织的过程中，细胞会脱分化，同时可能可能发生染色体变异
B：试管婴儿技术包括人工受精、胚胎体外培养和胚胎移植三个方面
C：单克隆抗体的制备采用了动物细胞融合技术和动物细胞培养技术
D：经细胞核移植培育出的新个体只具有一个亲本的遗传性状
阅读理解
Hello! My name is John, I have a happy family. There are four people in my family. They're my father, my mother, my baby sister and I. We have a beautiful garden. There are two trees and some flowers in it. There are some apples on the tree. Do you like apples and flowers? Welcome to my home.
氯化钠溶液中混有少量的硫酸钠杂质，除杂质所用试剂为( )
