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True or False? If heritability is high, most of the phenotypic variation in a population is...

True or False?

If heritability is high, most of the phenotypic variation in a population is due to the environment or genetic combination effect.

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Answer #1

The answer is False

If the heritability is high, then most of the phenotypic variation is due to genetic variation. It may also be influenced by environmental factors. But high heritability indicates that the phenotypic variance is mostly due to genetic factors. If the heritability is low, then most of the phenotypic variation is due to the environmental variation. The low heritability indicates that the phenotypic variance is mostly due to environmental factors.

Hence, the answer is false

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