Question

how does a transgenic mouse made?

Answer 1

This method creates a transgenic mouse and is used to insert new genetic information into the mouse genome or to over-express endogenous genes. ... Embryonic stem cells that recombine with the genomic DNA are selected for and they are then injected into the mice blastocysts.

Answer 2

A 'transgenic mouse', is a mouse that has had its genome altered through the use of genetic engineering techniques. Such models are commonly used for in vivo studies or as animal models of human diseases.