Which of the following statements are incorrect from given statements?
(i) Transgenic animals can be specifically designed to allow the study of how genes regulated, and how they affect the normal functions of the body and its development.
(ii) Many transgenic animals are designed to increase our understanding of how genes contribute to the development of disease.
(iii) Today transgenic models exist for many human diseases such as cancer, cystic fibrosis, rheumatoid arthritis and Alzheimer’s.
(iv) In 1997, the first transgenic cow, Rosie, produced human protein-enriched milk 2.4 grams per liter.
(v) Transgenic rabbit are being developed for use in testing the safety of vaccines before they are used on humans.
(vi) Transgenic cow are being used to test the safety of the polio vaccine.
(vii) Transgenic animals carry that genes which make them more sensitive to toxic substances, then exposed to the toxic substances and the effects studied.
Text Solution
Verified by ExpertsC
Check the statements:
(i) Correct - Transgenic animals help study gene regulation and normal body functions.
(ii) Correct - They help understand how genes contribute to diseases.
(iii) Correct - Transgenic models exist for cancer, cystic fibrosis, rheumatoid arthritis, Alzheimer's, etc.
(iv) Correct - In 1997, the first transgenic cow Rosie produced human protein-enriched milk (2.4 g/L).
(v) Incorrect - Transgenic mice, not rabbits, are commonly used for testing vaccine safety.
(vi) Incorrect - Transgenic mice, not cows, are used to test the safety of the polio vaccine.
(vii) Correct - Some transgenic animals are made more sensitive to toxic substances for toxicity testing.
Therefore, the incorrect statements are: (v) and (vi)
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