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Extreme heterogeneity in intercourse chromosome dosage and differentiation payment in livebearers

By |février 13th, 2020|

Extreme heterogeneity in intercourse chromosome dosage and differentiation payment in livebearers
Importance

Morphologically and chromosomes have actually over and over developed throughout the tree of life. Nonetheless, the level of differentiation between your intercourse chromosomes varies significantly across types. The Y chromosome gene activity decays, leaving genes on the sex chromosomes reduced to a single functional copy in males as sex chromosomes diverge. Mechanisms have evolved to pay with this lowering of gene dosage. Right Here, we execute a relative analysis of intercourse chromosome systems across poeciliid species and discover extreme variation in their education of intercourse chromosome differentiation and Y chromosome degeneration. Also, we find proof for a full instance of chromosome-wide dosage compensation in seafood. […]