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Fig. 4. Acquisition of larval reflexes in prematurely hatched
Drosophila embryos. (A) Touch response. Average touch
response scores are shown (and s.e.m.). Each embryo was tested 10 times
(giving a score out of 40) and 10 embryos were tested at each developmental
age. Embryos were selected at tracheal filling (18.5 hours AEL) and aged on
agar plates at 25°C, then prematurely hatched just before testing).
(B) Acquisition of self-righting. Embryos were rolled upside down onto
their dorsal surface, and time to self-right recorded. Embryos were tested
three times and 10 embryos were tested at each developmental age (embryos at
different developmental stages were selected as in A).
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