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what similarities does the left handed twin and the right handed twin have?

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MrsSavageGirlidn

Answer:

In about 21% of identical (monozygotic or MZ) twin pairs, one twin is right-handed and the other is either left-handed or ambidextrous. Since identical twins share identical genes, this is evidence that handedness is not a totally genetic trait. ... It is likely to be a combination of genetic and environmental factors.

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