Explain the terms analogous and homologous organs with examples.
Homologous organs are the organ whose origin is similar (or are embryologically similar) but perform different functions. Such as the forelimbs of humans and the wings of birds look different externally but their skeletal structure is similar. It means that their origin is similar (as wings in birds are modifications of the forearm) but functions are different - the wings help in flight whereas human forearms help in various activities.
In the following crosses write the characteristics of the progeny
| Cross | Progeny |
|---|---|
|
(a) RR YY x RR YY |
................................... |
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Homologous organs are the organ whose origin is similar (or are embryologically similar) but perform different functions. Such as the forelimbs of humans and the wings of birds look different externally but their skeleta...
Step-by-step explanation:
• Homologous organs are the organ whose origin is similar (or are embryologically similar) but perform different functions
• Such as the forelimbs of humans and the wings of birds look different externally but their skeletal structure is similar
• It means that their origin is similar (as wings in birds are modifications of the forearm) but functions are different - the wings help in flight whereas human forearms help in various activities
•
•
Students often lose marks by skipping steps, writing incomplete explanations, or misunderstanding keywords used in the question.
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