Which of the following represents homology?

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(B) Homology refers to structures that have a common evolutionary origin and similar anatomical structure,even if they perform different functions. $1

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Flippers of whales,wings of bats,and forelimbs of humans

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(B) Homology refers to structures that have a common evolutionary origin and similar anatomical structure,even if they perform different functions. $1$. The flippers of whales,wings of bats,and forelimbs of humans are classic examples of homologous organs. $2$. They all share a similar skeletal pattern (humerus,radius,ulna,carpals,metacarpals,and phalanges) inherited from a common ancestor,despite being adapted for different functions like swimming,flying,or grasping. $3$. Butterflies and birds (wings) show analogy,not homology. $4$. Scorpion sting and Apis sting are analogous structures.

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