Author Question: If a gene inDrosophilais expressed only in imaginal disc (A) when it begins to differentiate, it is ... (Read 26 times)

iveyjurea · **on:** Jan 12, 2022

If a gene in Drosophila is expressed only in imaginal disc (A) when it begins to differentiate, it is referred to as a homeotic gene. Recessive mutations in such genes often result in loss of function so that the structure does not develop. If a transgenic organism is made in which the gene is expressed in a different imaginal, disc (B), what is the predicted result?
◦ loss of function of disc B's primary gene
◦ gain of function of several inappropriate genes in disc A
◦ gain of function in disc B of some of the structures usually seen in disc A
◦ deregulation of gene expression throughout disc A
◦ deregulation of gene expression throughout disc B

ciecieme · **Reply #1 on:** Jan 12, 2022

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