What role do genes play in heredity?

They are only expressed in dominant traits

They provide the genetic instructions for traits

They are not involved in inheritance

They only determine physical traits

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Answer and Solution

Answer

B. They provide the genetic instructions for traits

Solution:

Genes carry the instructions for traits and are fundamental to heredity. Thus, the correct option is 'They provide the genetic instructions for traits.' The other options misrepresent the functions of genes.

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