The Total Variation in a Trait is Known as the ________

Question

The total variation in a trait is known as the ________.
A) phenotypic variation
B) genetic variation
C) environmental variation
D) broad-sense heritability
E) narrow-sense heritability

Accepted Answer

Phenotypic variation refers to the total variation in a trait, including both genetic and environmental influences. It is the sum of genetic variation (differences in DNA sequence) and environmental variation (differences in the environment that can affect gene expression and phenotype). Broad-sense heritability and narrow-sense heritability are measures of how much of the total variation in a trait can be attributed to genetic differences, and genetic variation refers to only the differences in DNA sequence.