Genetic relatedness is a concept that arises as a result of the lineage relation
ID: 34550 • Letter: G
Question
Genetic relatedness is a concept that arises as a result of the lineage relationships between two members of the same species. This relatedness turns out to predict important features of the social behavior of these animals. Which of the following is the most accurate and complete description of what genetic relatedness represents?
The probability that animals A and B have at least one common ancestor at any time in their ancestral past.
The probability that a gene in animal A and that same gene in animal B have identical DNA sequences.
The probability that animals A and B have one common ancestor in the very recent ancestral past.
The probability that a gene in animal A and the corresponding gene in animal B are copies of the same single specific gene in a very recent common ancestor
a.The probability that animals A and B have at least one common ancestor at any time in their ancestral past.
b.The probability that a gene in animal A and that same gene in animal B have identical DNA sequences.
c.The probability that animals A and B have one common ancestor in the very recent ancestral past.
d.The probability that a gene in animal A and the corresponding gene in animal B are copies of the same single specific gene in a very recent common ancestor
Explanation / Answer
The probability that animals A and B have one common ancestor in the very recent ancestral past exhibits the genetic relatedness between the two animals. Ooption c is correct.
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