Answer:
C) The allele R' is becoming more common in the population.
The enzyme that catalyzes the elongation of DNA is called DNA polymerase. DNA polymerase synthesizes DNA molecules from deoxyribonucleotides which are the building blocks of DNA. This enzyme is very important to DNA elongation and it works by creating two pairs of identical DNA strands from from a single strand of the parent DNA.
Humans could start using different approaches. For example, fossil fuels are non-renewable resources and this is what most humans use to fuel car engines. However, have you ever heard of battery operated cars? This is a much better alternative to cars that run on gas because, there is not as many toxins that are released into the environment and it will reduce the consumption of fossil fuels that are only so limited. Also, solar panels are way better that running lights on coal, and here is why: Solar energy is a renewable resource and if coal ever runs out, then there will always be another light source. I hope you found this helpful!
