| 单词 | homeobox genes |
| 释义 | homeobox geneshomeobox genesA highly CONSERVED family of genes, found in a large range of different species, including insects. Homeobox genes are expressed early in embryonic development and are the determinants of body shape. These genes divide the early embryo into fields of cells each with the potentiality to develop into a particular part such as an arm, leg, tissue or organ. This is the key to the long-unexplained problem of how bodily configuration is determined by genetics. Mutations in homeobox genes cause severe bodily defects such as PHOCOMELIA. |
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