Why do persons with Turner syndrome have developmental abnormalities, when normal XX-females do not, even though they only have 1 active X chromosome? From what I know, one X-chromosome is inactivated into a Barr body in XX-females, but these obviously don't show the symptoms of Turner syndrome. What function does the inactive chromosome have?

Why do persons with Turner syndrome have developmental abnormalities, when normal XX-females do not, even though they only have 1 active X chromosome? From what I know, one X-chromosome is inactivated into a Barr body in normal XX-females, but these obviously don't show the symptoms of Turner syndrome. What function does the inactive chromosome have?

Why the person with Turner syndrome has some dysfunctionings while the normal female still only has 1 active X chromosome since the other is inactivated into a Barr body but doesn't show symptoms? Why an inactive chromosome has such function here?

Why do persons with Turner syndrome have developmental abnormalities, when normal XX-females do not, even though they only have 1 active X chromosome? From what I know, one X-chromosome is inactivated into a Barr body in XX-females, but these obviously don't show the symptoms of Turner syndrome. What function does the inactive chromosome have?

Why the person with Turner syndrome has some dysfunctionings while the normal female still only has 1 active X chromosome since the other is inactivated into a Barr body? Why an inactive chromosome has such function here?

Why the person with Turner syndrome has some dysfunctionings while the normal female still only has 1 active X chromosome since the other is inactivated into a Barr body but doesn't show symptoms? Why an inactive chromosome has such function here?