Answer:
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
Answer: The dependent variable.
Explanation: Experimental studies are designed to find relationships between one variable and another.
Unlike freshwater fish, saltwater fish <span>often contain a lower concentration of salt than the water they live in.
so your answer is </span><span>A. often contain a lower concentration of salt than the water they live in.
hope that helps!!!!!</span>
