Do identical twins always have the same sexual orientations?

The identical twins will have similar physical structures according to same genes. But they will have different characters, personalities, intelligences and thinking processes and also different sexual orientations because those traits are not determined by genes. read more

Identical twins are more likely to share the same sexual orientation due to sharing more genetic material than fraternal twins, but do not always do so because their DNA is not 100 percent identical. Scientists have learned that identical twins may slightly differ genetically from their twin. read more