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Turner syndrome (TS), also known as 45,X, or 45,X0, is a genetic disorder in which a person's cells have only one X chromosome or are partially missing an X chromosome (sex chromosome monosomy) leading to the complete or partial deletion of the pseudoautosomal regions (PAR1, PAR2) in the affected X chromosome.
Chromosome 15 spans about 99.7 million base pairs (the building material of DNA) and represents between 3% and 3.5% of the total DNA in cells. Chromosome 15 is an acrocentric chromosome, with a very small short arm (the "p" arm, for "petite"), which contains few protein coding genes among its 19 million base pairs.
Partial autocorrelation function of Lake Huron's depth with confidence interval (in blue, plotted around 0). In time series analysis, the partial autocorrelation function (PACF) gives the partial correlation of a stationary time series with its own lagged values, regressed the values of the time series at all shorter lags.
Women with trisomy X who were diagnosed prenatally have better outcomes as a group than those diagnosed postnatally, and 46,XX/47,XXX mosaics better than those with full trisomy X. [3] Some of the improved outcome in prenatal diagnosis appears to be a function of higher socioeconomic status amongst parents. [5]
Turner syndrome results from a single X chromosome (45,X or 45,X0). Klinefelter syndrome, the most common male chromosomal disease, otherwise known as 47,XXY, is caused by an extra X chromosome. Edwards syndrome is caused by trisomy (three copies) of chromosome 18. Down syndrome, a common chromosomal disease, is caused by trisomy of chromosome 21.
The rate of Klinefelter syndrome among infertile males is 3.1%. The syndrome is the main cause of male hypogonadism. [ 65 ] One survey in the United Kingdom found that the majority of people with KS identify as male, however, a significant number have a different gender identity . [ 66 ]
Outer Range is an American science fiction neo-Western television series created by Brian Watkins. It features an ensemble cast that includes Josh Brolin , Imogen Poots , Lili Taylor , Tom Pelphrey , Tamara Podemski and Lewis Pullman .
Because ev r is unital, ev r (x 0) = 1. That is, r 0 = 1 for each real number r, including 0. The same argument applies with R replaced by any ring. [3] Defining 0 0 = 1 is necessary for many polynomial identities. For example, the binomial theorem (+) = = holds for x = 0 only if 0 0 = 1. [4]