BIOB51 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE

BIOB51 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE cetaceans are mammals with fish-like bodies. the most likely explanation for this body form is that... a. cetaceans are a type of fish b. cetaceans simply migrated from fresh to saltwater so they already had a fish-like body c. cetaceans are a group of mammals that evolved directly from a lineage of fish d. as cetaceans returned to the water secondarily, they evolved a streamlined fishlike body because this body form is well adapted to an aquatic environment D Dolphins have the same set of genes to regulate hind limbs that land mammals have why don't dolphins grow hind limbs? a. dolphins do grow hindlimbs but other add-on genes turn them into flippers b. dolphins do not grow hindlimbs because they are not needed in an aquatic environment c. dolphin embryos do grow hindlimb buds, but their development is terminate very early because of a mutation in a regulatory gene d. the regulatory genes for hind limb development in dolphins have been completely deactivated C suppose a mutations arises in the gene that regulates the production of hemagglutinin, the. mutation causes production of this protein to be terminated early, what is the most likely outcome?