1/4 if by express you mean in the genotype
1/2 if by express you mean in the phenotype
The most important characteristic of DNA replication is the DNA to FOLLOW THE BASE-PAIRING RULES.
1.Water evaporates in the presence of sunlight.
(hydrosphere)
2.Volcanoes release a large amount of gases and other matter during eruption.
(lithosphere)
3.Lightning causes nitrogen molecules to be split and carried by rain.
(hydrosphere)
4.Plants release water vapor through their leaves during transpiration.
(biosphere)
Hope this helps!
The answer is limiting factors.
I hope this helped you!