Consider the following statements regarding transgenics

1. Transgenic animals can be specifically designed to allow the study of how genes are regulated.

2. Animals that have had their RNA manipulated to possess and express an extra (foreign) gene are known as transgenic animals

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Consider the following statements regarding transgenics

1. Transgenic animals can be specifically designed to allow the study of how genes are regulated.

2. Animals that have had their RNA manipulated to possess and express an extra (foreign) gene are known as transgenic animals

Select the correct answer using the code given below:

Only 1
Only 2
Both 1 and 2
Neither 1 nor 2

Answer 1

Animals that have had their DNA manipulated to possess and express an extra (foreign) gene are known as transgenic animals.

Transgenic rats, rabbits, pigs, sheep, cows and fish have been produced, although over 95 per cent of all existing transgenic animals are mice. They have numerous utilities.
Normal physiology and development: Transgenic animals can be specifically designed to allow the study of how genes are regulated, and how they affect the normal functions of the body and its development.E.g. study of complex factors involved in growth such as insulin-like growth factors.

By introducing genes from other species that alter the formation of this factor and studying the biological effects that result, information is obtained about the biological role of the factor in the body.

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