1. we get certain traits from one parent because that trait is dominated by that one parent. 2. you have a 50/50 chance that a child will have your trait. 3. you can inherit a trait that none of your parents have because you could've inherited from another family member.
What can be inferred from this excerpt is : ( D ) Individuals with favorable variations survive and reproduce.
<h3>Effects of genetic variations in species</h3>
When the insecticide was sprayed some of the cockroaches survived and continued reproduction due to their resistance to the spray.Therefore it can inferred that although the cockroaches share the same genetic materials, the variations in individuals within the same specie played a role in the survival of some of the cockroaches.
Hence we can conclude Individuals with favorable variations survive and reproduce.
Learn more about genetic variations : brainly.com/question/14926046
Achamille is right,it allowes the lab tech see the effect something makes on another thing
Answer:
mitochondria is the powerhouse of the cell
Explanation: