Homologous Organs: Definition and Characteristics
Homologous organs are structures in different species that are similar because they were inherited from a common ancestor. These organs typically share the same basic structural design and develop from the same embryonic origins.
Linking Characteristics to the Question
The question asks for organs with the same basic structural design and origin but performing different functions. This definition precisely describes homologous organs.
- Same Basic Structural Design: Homologous organs exhibit similar anatomical structures (e.g., bone patterns).
- Same Origin: They arise from similar embryonic tissues or developmental pathways.
- Different Functions: Over time, evolutionary adaptations lead these organs to serve distinct purposes in different organisms.
Distinguishing from Analogous Organs
It's important to differentiate homologous organs from analogous organs. Analogous organs have similar functions but develop from different structural and evolutionary origins (e.g., the wings of a butterfly and a bird).
Conclusion
Based on the shared structure, origin, and differing functions, the organs described are homologous.
Similar Questions
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Important Questions from Genetics and Evolution
Which one of the following is a nonsense codon in universal code?
Which one of the following is an example of Analogous organs?
Which base of a codon is called wobble base?
How many different kinds of gametes will be produced by a plant having the genotype AABbCC?
Pair of genes that occupy a specific location on a particular chromosome and control the same trait is termed as _________.
