Boys have an X and Y chromosome. Girls have 2 X chromosomes. Turner Syndrome is a chromosomal disorder in girls in which part or all of one of the X-chromosomes is missing. This loss of genetic material causes 2 primary features: namely, short stature and underdeveloped ovaries causing delayed or absent puberty.urner syndrome occurs when a female is missing part of, or an entire, X chromosome at birth. Normally, girls have two X chromosomes that contain the genetic information needed to develop sexual characteristics.
Lower output and/or mid-efficiency gas boilers cost $2,500 to $5,000 installed; higher output and/or high-efficiency gas boiler replacement cost is $5,000 to $10,000 or more. This price should include removal and disposal of the old boiler.
1 Installing a high-efficiency oil boiler might cost $5,000 to $10,000 or more. 2  If replacing an older, low-efficiency boiler with a newer, more efficient model, you may have to install a new chimney liner at a cost of $500 to $2,000. If replacing an older, low-efficiency boiler with a newer, more efficient model, you may have to install a new chimney liner at a cost of $500 to $2,000.