The similarities and differences in the functioning of MyoD genes and Hox genes, which have their role in skeletal muscle differentiation and cell differentiation at specifying regions, respectively. Introduction: The genes are composed the DNA (deoxyribonucleic acid). Genes have their specific and essential role in the expression of traits of an individual, either genotypic or phenotypic. Cell differentiation is one of the most important processes of the cell, which occurs numerous times in the multicellular organisms. In this process, a cell becomes more specialized from a less specialized one. For example, a single-celled zygote develops into a complete new progeny and has tissues and cell types;the whole process is carried out by the differentiation of cells.

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Chapter 25, Problem 25CONQ

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The similarities and differences in the functioning of MyoD genes and Hox genes, which have their role in skeletal muscle differentiation and cell differentiation at specifying regions, respectively.

Introduction:

The genes are composed the DNA (deoxyribonucleic acid). Genes have their specific and essential role in the expression of traits of an individual, either genotypic or phenotypic. Cell differentiation is one of the most important processes of the cell, which occurs numerous times in the multicellular organisms. In this process, a cell becomes more specialized from a less specialized one. For example, a single-celled zygote develops into a complete new progeny and has tissues and cell types;the whole process is carried out by the differentiation of cells.

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WRT is a gene in C. elegans worms which is normally expressed in a specific stage of development. Worms without this gene (wrt-/wrt- genotype) survive, but grow too large, never develop some parts of their anatomy. Over-expression of WRT results in a different phenotype: the worms have stunted growth, developing mature anatomical structures too early in their growth. The following experiments were used to learn how WRT is regulated. a. Several genetic loci that are also involved in development in the worm are suspected of being regulators of WRT. Mating experiments shows that some of these genes have epistatic relationships with WRT, and others don't. Which are likely to be WRT regulators? i. Genes epistatic to WRT are unlikely to regulate WRT ii. Genes epistatic to WRT are likely to regulate WRT iii. Epistasis cannot tell us whether another gene is in the same pathway as WRT b. Deletion of locus 1 in a WRT wildtype background causes the wrt- associated phenotype (large but…