One common way to determine how much of a trait is due to genetic influence is to compare ________.

Name: One common way to determine how much of a trait is due to genetic influence is to compare ________.
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Identical twins share 100% of their genes, while fraternal twins share about 50%, similar to regular siblings. Comparing the similarities in traits between these two types of twins can help researchers estimate the genetic contribution to those traits.

One Common Way to Determine How Much of a Trait