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ON THE THIRD THORACIC SEGMENT, INSTEAD OF WINGS, IT HAS LITTLE SORT OF DRIVER SCOPE STRUCTURE, IT’S CALLED HALTIERS.

it is about fly and of its genes.

1-IT HAS LITTLE SORT OF DRIVER SCOPE STRUCTURE=?

2- But HALTIERS?? mistyping?
What kind of sentence is this?

my best.
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Hi,
The word is spelled halteres.

You can find more information here.
http://www.pbs.org/wgbh/nova/genes/fate-nf.html

Best wishes, Clive