Which relationship is the arrow pointing to in the cladogram? the common ancestor for X and Z the common ancestor for X and Y the common ancestor for X, Y, and Z the common ancestor for Y and Z
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All the three species A,B and C have evolved from a common ancestor X. But A as a species has retained its primitive characters or that it is more similar to X than B and C
So, the correct answer is 'The shortened arm of A suggests that it is an extant (archaic, but in existence) species that has retained traits of its ancestor'
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b
Explanation:
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