Biology, 10.12.2021 21:00 babyraerae06
Explain why maternal effects are exhibited by bicoid and nanos, but not runt and gooseberry.
a. Silencer sequences for runt and gooseberry repress transcription of maternal mRNA during oocyte formation.
b. RNA transcripts of bicoid and nanos are made maternal DNA during oocyte formation, whereas runt and gooseberry are transcribed after fertilization.
c. Runt and Gooseberry proteins repress transcription of maternal mRNA, whereas Bicoid and Nanos proteins do not silence maternal mRNA transcription.
d. Enhancer sequences for bicoid and nanos promote transcription of maternal mRNA during oocyte formation.
e. Bicoid and Nanos proteins repress transcription of maternal mRNA, whereas Runt and Gooseberry proteins do not repress maternal transcription.
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Explain why maternal effects are exhibited by bicoid and nanos, but not runt and gooseberry.
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