Which statement best illustrates the concept of heritability? a. Savannah inherited the mutated BRCA1 gene, increasing her risk for certain cancers. b. Charlotte has a 50% chance of passing the gene for curly hair to her children. c. Augusta is outgoing, just like her father and older sisters. d. Jackson is the first person in his family in three generations to have blue eyes.

Option A

Explanation:

The concept of Hereditability is defined as the extent to which a certain genotype producing characteristics different to the mass genotype occur in a given population set.  

It general it refers to the inheritance of phenotype different than the general mass phenotype due to a varied or uncommon genotype.  

For instance, occurrence of diabetes is considered as a heritable disease because it can occur in upcoming generation if there exist a history of people suffering from diabetes

Hence, option A is correct