GENE	LOCUS or SYNDROME	AMINO ACID CHANGE	NUCLEOTIDE CHANGE	EXON	ETHNICITY (Number of families)	REFERENCES
GJA1	Recessive Hearing Loss	L11F	30C>T	exon	African American (3)	Liu 2001
		V24A	71T>C	exon	African American (1)	Liu 2001
	Heart Malformations	T326A			N/A (1)	Britz-Cunningham 1995
		F335Q			N/A (1)	Britz-Cunningham 1995
		S373G	A>G		N/A (1)	Britz-Cunningham 1995
		E352G	A>G		N/A (2)	Britz-Cunningham 1995
		S364P	T>C		N/A (5)	Britz-Cunningham 1995
		S365N	G>A		N/A (1)	Britz-Cunningham 1995