All 46 chromosomes and instructions for developing (DNA) are in place at fertilization

2 Comments

1. d. knapp on August 4, 2017 at 11:51 am

   She forgot that bacteria and fungi are considered important life HERE by the left. They fight to protect bacteria AND fungi.

   
   
   
   • quinersdiner on August 4, 2017 at 2:20 pm

     Amazing, isn’t it!