In drosophila development, pattern development in the late embryo, larva, and adult is controlled by homeotic type of gene.
In Drosophila, development is controlled by homeotic type of gene. The beginning phases of development are controlled by homeotic genes. The general body plan of Drosophila is the same in the embryo, the larva, and the adult, each of which has a distinct head end and a distinct tail end, between which are repeating segmental units .
Three of these segments form the thorax, while another eight segments form the abdomen. Two different sets of genes control embryonic development in Drosophila maternal-effect genes and zygotic genes.
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