Fact 1: Sex hormones are chemical messengers that control sexual development and reproduction.

Fact 2: Chemical messengers carry signals from one nerve branch to another.

Given the two facts above, answer the question " _carry signals that control sexual development and reproduction" with the following options: 
- sex hormones
 - electricity
 - nucleic acid
 - Most plants
 - animals
 - genes
 - dendrites
 - photons


 

 sex hormones        