<P> Edwards syndrome , also known as trisomy 18 , is a genetic disorder caused by the presence of all , or part of a third copy of chromosome 18 . Many parts of the body are affected . Babies are often born small and have heart defects . Other features include a small head , small jaw , clenched fists with overlapping fingers , and severe intellectual disability . </P>
<P> Edwards syndrome , also known as trisomy 18 , is a genetic disorder caused by the presence of all , or part of a third copy of chromosome 18 . Many parts of the body are affected . Babies are often born small and have heart defects . Other features include a small head , small jaw , clenched fists with overlapping fingers , and severe intellectual disability . </P>
what gene or chromosome is affected by edwards syndrome
what gene or chromosome is affected by edwards syndrome
chromosome 18
chromosome 18