In Drosophila development, in which order are the following classes of genes expressed?

A)
$\text { gap } 3 / 4 \text { segment-polarity } 3 / 4 \text { pair-rule }$
B)
$\text { segment-polarity } 3 / 4 \text { gap } 3 / 4 \text { pair-rule }$
C)
$\text { pair-rule } 3 / 4 \text { gap } 3 / 4 \text { segment-polarity }$
D)
$\text { gap } 3 / 4 \text { pair-rule } 3 / 4 \text { segment-polarity }$
E)
$\text { pair-rule } 3 / 4 \text { segment-polarity } 3 / 4 \text { gap }$

Question

In Drosophila development, in which order are the following classes of genes expressed?

A)
$\text { gap } 3 / 4 \text { segment-polarity } 3 / 4 \text { pair-rule }$
B)
$\text { segment-polarity } 3 / 4 \text { gap } 3 / 4 \text { pair-rule }$
C)
$\text { pair-rule } 3 / 4 \text { gap } 3 / 4 \text { segment-polarity }$
D)
$\text { gap } 3 / 4 \text { pair-rule } 3 / 4 \text { segment-polarity }$
E)
$\text { pair-rule } 3 / 4 \text { segment-polarity } 3 / 4 \text { gap }$

Quizplus · Accepted Answer

In Drosophila development, the correct order of gene expression is gap genes, followed by pair-rule genes, and finally segment-polarity genes. This sequence is crucial for the proper segmentation of the embryo.

In Drosophila Development, in Which Order Are the Following Classes gap 3/4 segment-polarity 3/4 pair-rule \text { gap } 3 / 4 \text { segment-polarity } 3 / 4 \text { pair-rule } gap 3/4 segment-polarity 3/4 pair-rule

In Drosophila Development, in Which Order Are the Following Classes $\text { gap } 3 / 4 \text { segment-polarity } 3 / 4 \text { pair-rule }$