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Investigating X-Chromosome Inactivation


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  • Product Description

Females have two alleles for each gene on the X- chromosome, whereas males have only one. This inequality is balanced by X-chromosome inactivation (XCI). This process transcriptionally silences one X- chromosome in every female cell. The choice of which X-chromosome should be “turned-o?” is considered to be random. Studies on mice have revealed that a locus on the X-chromosome, the X controlling element (Xce), signi?cantly in?uences the choice of which X- chromosome is inactivated. Renault et al. (2007) studied a family of which many of the females exhibit symptoms of the X-linked recessive disease, Haemophilia A. The XCI ratios of the women in this family were signi?cantly di?erent from what would be expected if the XCI process was random. This studies result is consistent with the human XCE hypothesis. Random and genetic models of XCI ratios are investigated here in theory and are compared to a sample of XCI ratios. Using goodness-of- fit testing, it is determined which models best fit the data. Anderson-Darling statistics and visual inspection of graphics suggest that a three allele genetic model is a good fit to the data, supporting the human XCE hypothesis.

Product Specifications
SKU :COC93787
AuthorSonja Pritchett
Number of Pages96
Publishing Year2011-01-30T00:00:00.000
Edition1 st
Book TypeStochastics
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-08-14 00:00:00
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