Answer: D. manipulating the DNA of cats.
Explanation:
Deoxyribonucleic acid (DNA) refers to the organic chemical which consists of genetic information. The DNA can be found in the cells of organisms.
Since the new line of cats are genetically modified to eliminate or reduce their allergy-causing properties, then we can infer that the DNA of the cats have been manipulated. In this case, the allergy causing property won't be passed across to the offspring since the DNA has been manipulated.
Each arch<span> though initially formed from similar components</span>will<span> differentiate to form different head and neck. hope this helps
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Answer: B. Semicircular canals
Explanation: Receptors of equilibrium are located in the middle part of the oval-shaped bone labyrinth located in the inner ear. This membrane labyrinth has three bony channels that contain perilymph in it. In them again lie the semicircular membrane channels and contain endolymph and containing receptors for equilibrium. Thus the purpose of the ear is not only good hearing but also a sense of balance.
