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SlideshowReport

Maternal bicoid patterning of the embryo along the anterior–posterior axis

Description
(a) (b) Anterior Posterior Anterior Posterior Wild-type embryo bicoid mRNA (blue) Translation, diffusion Loss of bicoid activity results in loss of anterior segments and duplication of posterior abdominal segments (A7, A8, anal plate [ap]). Bicoid protein (brown) Injecting bico/d mRNA into an ectopic position (red) of a bico/d embryo results in a mirror-image duplication of anterior thoracic segments (T1)flanking the site of injection.
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