Answered: (a) Explain the signals (wingless, Hh,…

Fundamentals of Sectional Anatomy: An Imaging Approach

2nd Edition

ISBN:9781133960867

Author:Denise L. Lazo

Publisher:Denise L. Lazo

Chapter8: Vertebral Column

Section: Chapter Questions

Problem 7RQ

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Referring to the diagram below explain how Drosophila segmentation is set up in the parasegments and how this is reflected in the mature segments. (a) Explain the signals (wingless, Hh, Serrate) how they are sent and received (b) what is the interaction between these signals and (c) how do these set up the final denticle pattern in the mature segment.

asap please

Wg signal
oooooooooooooooooo
Hh signal
4
oooooooooooooooooo
•
Hedgehog
1
oooooooooooooooooo
I
Wingless
1
"
1
.
Parasegment
denticle
9
0000000ooooooooooo
Serrate
Segment
ooo
I
Rhomboid
Wg
O
Ser
Hh
OOO O
Rho Ser Rho Ser
Wg
TY"
"Y"

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