<span>The trait that is ancestral to all chordates is the presence of a notochord...the others are gill slits and nerve chord</span>
Answer:Greenhouse gases allow thermal energy to pass through the atmosphere and back out into space
Explanation:
You find the mRNA code complementary to the strand of DNA .
A T G G C T C A A G C T I'm pretty sure
I'm pretty sure they are reffering to Alzheimers.
Genetic change in the reproductive cells of the body (ovule or sperm) that is incorporated into the DNA of each cell in the body of the descendants. Hereditary mutations are transmitted from parents to children. It is also called germline mutation.