You are presented with the question "what increases genetic diversity?" and the following answer choices: 
- deoxyribonucleic acid
 - Males and females
 - h2o
 - death
 - same sex marriage
 - combining egg and sperm
 - rapid expansion
 - By coral exoskeletons

Now knowing that sexual reproduction increases genetic diversity and sexual reproduction combines an egg and a sperm, choose the best answer.


 

      combining egg and sperm   