Which option below best illustrates a heritable quantitative trait?

a. phenotype only affected by a single gene with a dominant and recessive allele.
b. continuous variation in a phenotype, with offspring that resemble their parents.
c. discrete phenotypic classes. variation in a trait that is determined only by environment.
d. crossing extreme phenotypes produces a phenotypic ratio of 9: 3: 3: 1 in the offspring.

The correct answer is B. Continuous variation in a phenotype, with offspring that resemble their parents.

Explanation:

A heritable quantitative trait is a phenotype that can be measured and depends on the total actions of various genes, and the environmental conditions. Such traits can be different among different individuals, over a range, to generate a continuous proportion of phenotypes.

In a continuous variation, each value of the phenotype is following up to the value of before.

Thus, the correct answer is option B.

the answer is c) an oak tree

this transfer is call conjunction