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In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to in
- a)convergent evolution
- b)molecular analogy
- c)molecular homology
- d)homoplastic appearance
Correct answer is option 'C'. Can you explain this answer?
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In evolution, the studies can be made at molecular level. For example,...
Molecular evolution is a change in the sequence composition of cellular molecules to explain biological changes at the molecular and cellular level using principle of evolutionary biology and population genetics.
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In evolution, the studies can be made at molecular level. For example,...
The Concept of Molecular Homology
Molecular homology refers to the similarities in molecular structures, such as nucleic acids and proteins, that indicate a common evolutionary ancestor. This concept is fundamental in understanding evolutionary relationships among species.
Understanding Molecular Homology
- Shared Genetic Material:
- Organisms that share a common ancestor will often have similar DNA sequences. For example, humans and apes exhibit significant similarities in their DNA, which can be traced back to a shared evolutionary lineage.
- Protein Similarities:
- The amino acid sequences of proteins in related organisms also show remarkable similarities. This is evident in blood proteins, where humans and apes have closely related structures, reflecting their evolutionary connection.
Importance of Molecular Homology
- Evolutionary Relationships:
- Molecular homology provides evidence for the evolutionary relationships between species. The closer the genetic similarity, the more likely the organisms are related through common ancestry.
- Phylogenetic Analysis:
- Scientists utilize molecular homology in constructing phylogenetic trees, which visually represent the evolutionary pathways and connections among different species.
Distinction from Other Concepts
- Convergent Evolution:
- Unlike molecular homology, convergent evolution refers to unrelated species developing similar traits due to similar environmental pressures, not shared ancestry.
- Molecular Analogy and Homoplastic Appearance:
- These terms often refer to similar features arising independently in different species, rather than from a common ancestor, distinguishing them from molecular homology.
In summary, molecular homology plays a crucial role in the study of evolution, providing insights into the genetic and protein similarities that highlight the connections among various organisms.
Molecular homology refers to the similarities in molecular structures, such as nucleic acids and proteins, that indicate a common evolutionary ancestor. This concept is fundamental in understanding evolutionary relationships among species.
Understanding Molecular Homology
- Shared Genetic Material:
- Organisms that share a common ancestor will often have similar DNA sequences. For example, humans and apes exhibit significant similarities in their DNA, which can be traced back to a shared evolutionary lineage.
- Protein Similarities:
- The amino acid sequences of proteins in related organisms also show remarkable similarities. This is evident in blood proteins, where humans and apes have closely related structures, reflecting their evolutionary connection.
Importance of Molecular Homology
- Evolutionary Relationships:
- Molecular homology provides evidence for the evolutionary relationships between species. The closer the genetic similarity, the more likely the organisms are related through common ancestry.
- Phylogenetic Analysis:
- Scientists utilize molecular homology in constructing phylogenetic trees, which visually represent the evolutionary pathways and connections among different species.
Distinction from Other Concepts
- Convergent Evolution:
- Unlike molecular homology, convergent evolution refers to unrelated species developing similar traits due to similar environmental pressures, not shared ancestry.
- Molecular Analogy and Homoplastic Appearance:
- These terms often refer to similar features arising independently in different species, rather than from a common ancestor, distinguishing them from molecular homology.
In summary, molecular homology plays a crucial role in the study of evolution, providing insights into the genetic and protein similarities that highlight the connections among various organisms.
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In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer?.
In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer?.
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In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of In evolution, the studies can be made at molecular level. For example, the proteins present in the blood of man and ape are similar. The base sequence in nucleic acids and amino acids sequence in proteins of related organism is alike. These are the examples which are specifically referred to ina)convergent evolutionb)molecular analogyc)molecular homologyd)homoplastic appearanceCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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