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What controls hox genes expression in vertebrates?
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- How do homeobox genes control segmental identity in drosophila embryo?describe the arrangment of Hox genes on each chromosome in mammals in relation to their expression pattern. What effect would you expect if you expressed a Hox gene more anterior to its normal expression domain?Discuss the difference between Homeotic and Hox genes?
- Figure 13-7 illustrates the expression of the Ultrabithorax(Ubx) Hox protein in developing flight appendages.What is the relationship between where the protein isexpressed and the phenotype resulting from the loss ofits expression (shown in Figure 13-1)?Which statement about Hox genes is false? a. They are expressed in similar patterns in the embryos of both mice and flies. b. They include a conserved region of base pairs called the homeobox. c. They are arranged in similar clusters of genes in both mice and flies. d. They are part of the so-called genetic toolkit. e. Because of their important functional roles, they evolved rapidly in both mammals and flies.How have we discovered that specific genes control development in an organism like Drosophila?