Monozygotic types of twins have the same DNA and are valuable in studying the influence of environmental factors on genetics.
It is genuine that the same twins share their DNA code with each other. This is because identical twins had been formed from the exact same sperm and egg from their father and mother. (In contrast, fraternal twins are shaped from two extraordinary sperm and one-of-a-kind eggs.)
Twin studies allow disentanglement of the shared genetic and environmental factors for the trait of interest. Researchers can estimate the share of variance in a trait as a consequence of genetic variant as opposed to the proportion this is due to shared environment or unshared surroundings.
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