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Questions and Answers
During oogenesis, which protein is responsible for setting up cytoplasmic polarity?
During oogenesis, which protein is responsible for setting up cytoplasmic polarity?
- Bicoid
- Gap genes
- Nanos (correct)
- Pair-rule genes
Which gene is responsible for determining the positions of gap genes?
Which gene is responsible for determining the positions of gap genes?
- Nanos
- Pair-rule genes
- Segment polarity genes
- Bicoid (correct)
Which transcription factor protein is present in the ventral side of the embryo?
Which transcription factor protein is present in the ventral side of the embryo?
- Bicoid
- Nanos
- Dorsal (correct)
- Gurken
Which protein represses the Zen pathway?
Which protein represses the Zen pathway?
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Which gene is activated by Dorsal and is only present in most FGF and Riddle/Palmeirim cells?
Which gene is activated by Dorsal and is only present in most FGF and Riddle/Palmeirim cells?
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Study Notes
Oogenesis and Embryonic Development
- During oogenesis, Staufen protein is responsible for setting up cytoplasmic polarity.
Gene Regulation and Expression
- The bicoid gene is responsible for determining the positions of gap genes.
Embryonic Pattern Formation
- The transcription factor protein Dorsal is present in the ventral side of the embryo.
Signaling Pathways
- The protein Toll represses the Zen pathway.
Gene Activation and Expression
- The gene twist is activated by Dorsal and is only present in most FGF and Riddle/Palmeirim cells.
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