mathmaggie6727 mathmaggie6727

14-12-2022
Biology

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on a volcanic island, you discover a new species of fruit fly, and while investigating that species, you discover a novel morphogen that you call morphogen a. when morphogen a is above the threshold concentration of 30 pm, the cells develop into anterior structures. you find a fruit fly oocyte with normal morphogen concentrations along its anteroposterior axis (a concentration gradient seen in wild type oocytes), but the resulting embryo does not properly develop a head, mouth, eyes, and other anterior structures. which of the following is a reasonable explanation for the appearance of the headless mutant?

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