All of the following are true regarding transgenic animals EXCEPT

A)foreign genes are micro-injected into eggs,fertilized in vitro,and the zygotes are placed in host females to develop.
B)the process has created mice that have a phenotype similar to that of a person with cystic fibrosis.
C)the process has been used to develop organisms that are partially animal and partially plant.
D)the product desired by the transgenic procedure may be secreted in the milk of female offspring.