DM Domain Genes: Sexual and Somatic Development During Vertebrate Embryogenesis

作者: Anna Bratu

DOI: 10.5772/36274

关键词: Regulator geneVertebrateEmbryoEmbryogenesisPhylumEvolutionary biologySomatic cellDM domainGeneAnatomyBiology

摘要: Sex determination occurs during embryo development in Metazoans that appear as two morphologically distinct sexes. This means there is a precise time point embryogenesis when the initial signal starts to act and directs of ambiguous into male or female. What are these primary sex-determination signals? They different various vertebrates can be either genetically environmentally controlled. Once they appear, activate cascade genes respond signals regulate downstream sex-developmental events. Besides existence sexes, which virtually universal animal kingdom, strategies (both regulatory genes) vary between phyla opposite somatic-development strategies, have been found more conservative.

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