Verified Answer :

Kalahira

The following conditions are influenced both by the genes and the environmental factors: (1) obesity, (2) diabetes, and (3) heart diseases. However, muscular dystrophy is influenced only by the genes making it only hereditary. The answer is letter D. This condition is marked by the progressive weakening and wasting of the muscles.

Lanuel

A disease which is influenced only by heredity but not environmental factors is: D. muscular dystrophy.

What is heredity?

Heredity is also referred to as inheritance and it simply means the transmission (passing on) of certain traits, qualities or characteristics genetically from a parent organism to his or her offspring, and over successive generations.

In this context, muscular dystrophy is a disease which is influenced only by heredity but not environmental factors.

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