Question

Hemoglobin is a protein found in red blood cells that transports oxygen throughout the body of a mammal. The table below shows a small portion of the amino acid chain that makes up thehemoglobin protein in four different mammal species.Which of the following claims is best supported by the information in the table?A.The human is more closely related to the chimpanzee than to the horse.B.The chimpanzee is more closely related to the horse than to the human.C.The kangaroo is more closely related to the horse than to the chimpanzee.D.The horse is more closely related to the kangaroo than to the human.

Answer 1

The correct answer is A.The human is more closely related to the chimpanzee than to the horse. The human hemoglobin peptide composition is identical to the chimpanzee, 100% of similarity between the sites considered.