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Animal A and Animal B each have 95% of their DNAin common. Animal A and Animal C each have 50% of their DNA in common.

What does this suggest about the relationship of these animals?

Responses

C is probably much more closely related to B than to A.

C is probably much more closely related to B than to A.

B is probably much more closely related to C than to A.

B is probably much more closely related to C than to A.

A is probably much more closely related to C than to B.

A is probably much more closely related to C than to B.

A is probably much more closely related to B than to C.

A is probably much more closely related to B than to C.

1 answer

The information given indicates genetic similarities between the animals:

  1. Animal A and Animal B share 95% of their DNA.
  2. Animal A and Animal C share 50% of their DNA.

From this, we can infer the following about their relationships:

  • Since A and B share a high percentage of DNA (95%), it suggests they are very closely related.
  • A and C sharing only 50% of their DNA indicates they are less closely related, particularly compared to A and B.

Given these points, it suggests that B is much more closely related to A than to C. Since C shares significantly less DNA with A, it can be concluded:

A is probably much more closely related to B than to C.

Thus, the correct interpretation is that A is probably much more closely related to B than to C.