skatingby8910
12.11.2019 •
Biology
During dna replication, errors occasionally occur when dna strands are copied. however, there are many cellular mechanisms that to remove many of these errors. suppose an organism evolved such that dna replication was seemingly perfect every time. what consequences might this hold for the organism?
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Ответ:
The absence of variations would not allow this organism to evolve. The organism is most likely to become extinct due to a lack of genetic variations.
Explanation:
The presence of genetic variations among the individuals of the natural population is required for evolution. Errors during DNA replication are one such mechanism that imparts genetic variations to the organisms. These genetic variations serve as raw material for evolution as natural selection favors beneficial genetic variations.
The adaptive features arise when genetic variations increase the survival and reproductive success of the individuals. If DNA replication does not add variations to the organism, it will lack genetic variations and would not be able to adapt itself to the changing environmental conditions. Therefore, such an organism would not evolve and would become extinct soon.
Ответ:
Identify how scientists use radioactive isotopes by selecting the best answers from the drop-down menus.
Archaeologists use radioactive isotopes to : determine the age of ancient artifacts.
Scientists use radioactive isotopes in agriculture to : understand the biological and chemical processes in plants.
Geologists use radioactive isotopes to : determine the age of rocks and fossils.
Explanation: I just did it on edg and it was all correct.