Development of unicorn embryo

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Question

You are studying the development of a unicorn embryo. You conducted fate mapping experiments and determined that the apical cells of the 3-day-old embryo become the horn in the adult. When these cells were cultured in the lab, they developed horn-like structures. As a follow-up experiment, you transplanted apical cells from the 3-day-old donor embryo to the basal part of a 3-day-old recipient embryo. You expected that this would result in an additional horn in the posterior of the unicorn. However, this resulted in a normally developed unicorn. What can you say about the commitment of apical cells in the 3-day-old embryo of the unicorn? o Apical cells from the 3-day embryo are autonomously specified to become the horn. o Apical cells from the 3-day embryo are determined to become the horn. o Apical cells from the 3-day embryo conditionally specified to become the horn.

Reference no: EM134037299

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