Twin Studies Monozygotic (MZ, identical) twins share 100 percent of their genes, while dizogotic (DZ, fraternal) twins share only 50 percent of their genes (the same percentage as non-twin siblings).
(Twin Studies Monozygotic (MZ, identical) twins; share; 100 percent of their genes) (dizogotic (DZ, fraternal) twins; share; only 50 percent of their genes)
Twin Studies Monozygotic (MZ, identical) twins dizogotic (DZ, fraternal) twins
share share
100 percent of their genes
only 50 percent of their genes