Human Hox gene and other homeobox development genes {homeotic gene} can have sequences {homeotic series} along chromosomes. First gene is for mouth/nose, and last gene is for tail. Earliest homeobox genes were 1, 2/3, 4, 5, 6/7/8, and 9/10/11/12/13, in sequence. Fruit flies have 1, 2/3, 4, 5, 6, 7, 8, and 9/10/11/12/13. Fruit flies have non-homeobox region of DNA between 6 and 7. Chordates have 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13. Vertebrates have chordate-set variants on four different chromosomes.
Biological Sciences>Genetics>Gene>Development>Homeobox Gene
4-Genetics-Gene-Development-Homeobox Gene
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Date Modified: 2022.0224