JMD - Jamaican Dollar. Our currency rankings show that the most popular Jamaica Dollar exchange rate is the USD to JMD rate. The currency code for Dollars is JMD, and the currency symbol is J$. USD - US Dollar. Our currency rankings show that the most popular United States Dollar exchange rate is the USD to EUR rate.
Williams syndrome is the result of a deletion of the 7q11.23 region of chromosome #7 containing the elastin gene and is believed to be a contiguous gene syndrome. Diagnosis of Williams syndrome is confirmed by dual colour FISH using a specific probe and a control probe.
It is the least accurate screening test for Down syndrome. Using the nuchal translucency ultrasound alone will detect 70-80% of babies with Down syndrome. Using combined first trimester screening (ultrasound and specific blood tests) will detect 80-90% of babies with Down syndrome.