Which of the following is NOT a process used by zygotes to build a multicellular embryo? Cell specialization Cell movement Cell proliferation Cell interaction Cell inversion Which of the following is NOT tightly controlled during Drosophila embryogenesis? Location of expression of regulatory mRNAs Concentration of transcription factors Identity of transcription factors Temporal order of expression of transcription factors All of the above must be tightly controlled.

1. Which of the following is NOT a process used by zygotes to build a multicellular embryo? Cell
specialization Cell movement Cell proliferation Cell interaction Cell inversion Which of the
following is NOT tightly controlled during Drosophila embryogenesis? Location of expression
of regulatory mRNAs Concentration of transcription factors Identity of transcription factors
Temporal order of expression of transcription factors All of the above must be tightly controlled