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Question
You need to make a transgenic animal which will produce a protein that dissolves blood clots. Which of the following transgenes will you use?
Options:
A .  BRCA1
B .  Actin gene
C .  t-PA gene
D .  Cry gene
Answer: Option C
:
C
Transgenic mice have been engineered to produce a protein that dissolves thrombi or blood clots in heart attacks called t-PA or human tissue plasminogen activator. The human gene for t-PA was fused with the mouse promoter gene for acidic whey protein which isthe most common protein found in milk. Thus, the human t-PA protein was produced in the milk of the mouse and was easily obtained in high quantities.

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