| Consider the following statements |
| 1. The first transgenic cow is Rosie. |
| 2. The milk of first transgenic cow contained the human alpha-lactalbumin. Which of the statements given above is/are correct about transgenic cow? |
A) Both 1 and 2
B) Only 1
C) Only 2
D) neither 1 nor 2
Correct Answer: A
Solution :
[a] Transgenic animals are the genetically modified organisms which have a foreign gene in their genome due to which they show certain properties which are different from non-genetically modified organisms. Transgenic animals can be produced by using three basic methods which are: - DNA microinjection - Retro virus-mediated gene transfer - Embryonic stem cell-mediated gene transfer. The first transgenic animals were mice created by Rudolf Jaenisch in 1974.
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