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Microbial experiments show that pre-existing advantageous mutations when selected will result in observation of new phenotypes this statement is given
(1) In favour of natural selection theory
(2) Genetic basis of adaptation
(3) Hugo de Vries mutation theory
(4) To explain evolution as a stochastic process
(2) Genetic basis of adaptation
(3) Hugo de Vries mutation theory
(4) To explain evolution as a stochastic process
- a)(1), (2), (3), (4)
- b)(1), (4) only
- c)(1) only
- d)(1), (2) only
Correct answer is option 'A'. Can you explain this answer?
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Microbial experiments show that pre-existing advantageous mutations wh...
Advantageous mutations and the observation of new phenotypes in microbial experiments support the theory of natural selection and the genetic basis of adaptation. Here is a detailed explanation of why option (A) is the correct answer:
Natural Selection Theory:
- Natural selection is the process by which advantageous traits become more common in a population over time, while disadvantageous traits become less common.
- In microbial experiments, pre-existing advantageous mutations are selected for and lead to the observation of new phenotypes, which is a clear example of natural selection in action.
- This supports the natural selection theory, which states that organisms with advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring.
Genetic Basis of Adaptation:
- Adaptation refers to the process by which organisms become better suited to their environment over time.
- In microbial experiments, advantageous mutations lead to new phenotypes, which can be seen as a form of adaptation.
- This supports the genetic basis of adaptation, which states that genetic changes are responsible for creating new traits that allow organisms to better survive and reproduce in their environment.
Hugo de Vries Mutation Theory:
- Hugo de Vries was a scientist who proposed the theory of mutationism, which suggested that new species arise from large, sudden mutations rather than gradual changes over time.
- While microbial experiments do show that new phenotypes can arise from advantageous mutations, this does not necessarily support de Vries' theory of mutationism. The gradual accumulation of small mutations is still the primary mechanism of evolution.
Explaining Evolution as a Stochastic Process:
- Stochastic processes are random processes that involve a degree of uncertainty or randomness.
- While microbial experiments do show that advantageous mutations can lead to new phenotypes, this does not necessarily mean that evolution is purely a stochastic process. Natural selection and genetic drift are also important factors in shaping the evolution of populations over time.
In conclusion, the statement that pre-existing advantageous mutations lead to new phenotypes in microbial experiments supports both the theory of natural selection and the genetic basis of adaptation. It does not necessarily support the Hugo de Vries mutation theory or the idea that evolution is purely a stochastic process.
Natural Selection Theory:
- Natural selection is the process by which advantageous traits become more common in a population over time, while disadvantageous traits become less common.
- In microbial experiments, pre-existing advantageous mutations are selected for and lead to the observation of new phenotypes, which is a clear example of natural selection in action.
- This supports the natural selection theory, which states that organisms with advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring.
Genetic Basis of Adaptation:
- Adaptation refers to the process by which organisms become better suited to their environment over time.
- In microbial experiments, advantageous mutations lead to new phenotypes, which can be seen as a form of adaptation.
- This supports the genetic basis of adaptation, which states that genetic changes are responsible for creating new traits that allow organisms to better survive and reproduce in their environment.
Hugo de Vries Mutation Theory:
- Hugo de Vries was a scientist who proposed the theory of mutationism, which suggested that new species arise from large, sudden mutations rather than gradual changes over time.
- While microbial experiments do show that new phenotypes can arise from advantageous mutations, this does not necessarily support de Vries' theory of mutationism. The gradual accumulation of small mutations is still the primary mechanism of evolution.
Explaining Evolution as a Stochastic Process:
- Stochastic processes are random processes that involve a degree of uncertainty or randomness.
- While microbial experiments do show that advantageous mutations can lead to new phenotypes, this does not necessarily mean that evolution is purely a stochastic process. Natural selection and genetic drift are also important factors in shaping the evolution of populations over time.
In conclusion, the statement that pre-existing advantageous mutations lead to new phenotypes in microbial experiments supports both the theory of natural selection and the genetic basis of adaptation. It does not necessarily support the Hugo de Vries mutation theory or the idea that evolution is purely a stochastic process.
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Option A is correct
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Microbial experiments show that pre-existing advantageous mutations when selected will result in observation of new phenotypes this statement is given(1) In favour of natural selection theory(2) Genetic basis of adaptation(3) Hugo de Vries mutation theory(4) To explain evolution as a stochastic processa)(1), (2), (3), (4)b)(1), (4) onlyc)(1) onlyd)(1), (2) onlyCorrect answer is option 'A'. Can you explain this answer?
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Microbial experiments show that pre-existing advantageous mutations when selected will result in observation of new phenotypes this statement is given(1) In favour of natural selection theory(2) Genetic basis of adaptation(3) Hugo de Vries mutation theory(4) To explain evolution as a stochastic processa)(1), (2), (3), (4)b)(1), (4) onlyc)(1) onlyd)(1), (2) onlyCorrect answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Microbial experiments show that pre-existing advantageous mutations when selected will result in observation of new phenotypes this statement is given(1) In favour of natural selection theory(2) Genetic basis of adaptation(3) Hugo de Vries mutation theory(4) To explain evolution as a stochastic processa)(1), (2), (3), (4)b)(1), (4) onlyc)(1) onlyd)(1), (2) onlyCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Microbial experiments show that pre-existing advantageous mutations when selected will result in observation of new phenotypes this statement is given(1) In favour of natural selection theory(2) Genetic basis of adaptation(3) Hugo de Vries mutation theory(4) To explain evolution as a stochastic processa)(1), (2), (3), (4)b)(1), (4) onlyc)(1) onlyd)(1), (2) onlyCorrect answer is option 'A'. Can you explain this answer?.
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