Question

2. It is a sex characteristic that has direct relation to sexual reproduction​

Answer 1

Answer:

The appropriate answer is "Secondary Sexual Characteristics".

Explanation:

• In reaction to the unopposed intervention of estrogens especially gonadally produced by testosterone, specific biological traits involving breast growth occur throughout puberty.  
• Some of the anatomical traits that aren't even specifically included in the process of replicating outside of a fully experienced species.