Which of the following statements regarding the concept of homology is INCORRECT?
a) Homology is an all-or-none relationship.
b) Homology is the presence of a similar feature because of convergence.
c) Homology can not be observed because we can not actually see the ancestral organism or molecules and trace its descent.
d) Sequences that are highly similar are unlikely to arise by chance.
e) Homology is always an inference, a conclusion we draw based on observed similarity.
Ans: b) Homology is the presence of a similar feature because of convergence.
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