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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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yaskween2003 yaskween2003
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6 years ago
In Drosophila, germ cells develop from pole nuclei isolated from the rest of the embryo at the posterior end. How are they protected from the effects of posterior concentrations of zygote-produced mRNAs and proteins?
 
  A) Their genes have unresponsive promoters.
  B) The cytoplasm at the pole is separated by a compartmentalizing membrane.
  C) The pair-rule, gap, and segmentation genes are not expressed in these cells.
  D) Homeotic genes in these cells are inhibited by zygotic genes from the mother.
  E) Paternal effects operate on the embryo only in the pole cells.
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MadiyMadiy
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6 years ago
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yaskween2003 Author
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6 years ago
Just got PERFECT on my quiz
kriggs62
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Yesterday
You make an excellent tutor!
Helpmeplease11
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2 hours ago
Brilliant ツ
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