Which of the Options Given Is Not True of the Drosophila

question 4

Multiple Choice

Which of the options given is not true of the Drosophila Dorsal protein?

• A) Control regions of target genes differ in their affinity for the Dorsal protein.
• B) The dorsal region of the Drosophila embryo expresses genes that are repressed by the Dorsal protein.
• C) The gradient of Dorsal protein divides the Drosophila embryo up into at least four well-defined domains.
• D) Dorsal protein levels are higher within the dorsal region of the Drosophila embryo.

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