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What do the following sentences mean? Trait X is 40% heritable. Sam inherited trait X.

What do the following sentences mean?

Trait X is 40% heritable.

Sam inherited trait X.

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Answer #1

Heritability determines the fraction of phenotype variability that results in to genetic variation .

Trait X  is 40 percent heritable means the phenotype variation is due to 40 percent variability of the trait . 40 % heritability estimates the degree of variation in the traits . As we know  Heritability estimates range in value from 0 to 1. It shows a high percentage of genetic influence .The heritability is the measure of the extent to which said trait is genetically determined in an individual.

Sam inherited trait X means that the genetic variation is 40% . 40% of the trait in Sam is genetically determined by trait X .

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