What role does genetics have in determining a person's chest size

How Genetics Impact Your Weight

Can testosterone affect shoulder width, or is it genetics? - Quora

What role does genetics have in determining a person's chest size and shape? - Quora

Research finds genes for full body hair in humans are still present - The Washington Post

Average Bulking Results: Weight Gain, Measurements & Photos

4-Pack Abs: Vs. 6-Pack, Men vs. Women, Exercises, Diet, and More

What Determines Breast Size and Shape?

How to Fix Bad Chest Genetics for Bodybuilding - SET FOR SET

Pectus Excavatum: Symptoms, Treatments, and Complications

What is my body figure if my measurements are 33-24-35? I tried searching online but I got a different answer each time. - Quora

FFMI Calculator: Calculate your genetic muscular potential