1. DNA contains the hereditary information for the direction of protein synthesi
ID: 279267 • Letter: 1
Question
1. DNA contains the hereditary information for the direction of protein synthesis. Each chromosome contains a large number of _____________, which are parts of the DNA molecule.
2.
Professor X studies transgenic mice. These mice express human APP, which causes them to develop Alzheimer’s-like pathology (including the formation of A? plaques). Since the mice do not normally get AD, these mice are examples of human APP ________________ (knock-out/knock-in) mice.
Knock in
Knock out
a.Knock in
b.Knock out
Explanation / Answer
1. DNA contains the hereditary information for the direction of protein synthesis. Each chromosome contains a large number of genes, which are parts of the DNA molecule.
2.
Professor X studies transgenic mice. These mice express human APP, which causes them to develop Alzheimer’s-like pathology (including the formation of A? plaques). Since the mice do not normally get AD, these mice are examples of human APP ____Knock in__________ (knock-out/knock-in) mice.
They are knock in as they are producing the disease. If the gene is removed then it becomes knock out.
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