Question

Define homology ? explain properly

Answer 1

Answer:

The similarity of a structure or function of parts of different origins based on their descent from a common evolutionary ancestor is homology. Analogy, by contrast, is a functional similarity of structure that is based on mere similarity of use.

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Answer 2

Answer:

The organ which have similar origin (same internal structure) but different functions are called homologous organs.

Homology indicates divergent evolution and common ancestory.

Examples : Wings of birds and firelimbs of humans.

More to know

Analogy the organs which have same function but are different in their origin are known as analogous organs.