Question

question 19
which of the following is true of most human traits?
a they are influenced by a single gene.
b they may be influenced by different genes interacting with your specific environment.
c they are directly related to your individual environment.
d they are influenced by a specific group of genes only.

Explanation:

Most human traits are polygenic (influenced by multiple genes) and also affected by environmental factors. Option A is incorrect as few traits are influenced by a single - gene. Option C is an over - simplification as genes also play a role. Option D is incorrect as environment also matters. Option B correctly states that different genes interact with the environment to influence traits.

Answer:

B. They may be influenced by different genes interacting with your specific environment.