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UPSC Prelims 2019 Paper-1 📅 02 Jun, 2019

With reference to the recent developments in science, which one of the following statements is not correct?

A
Functional chromosomes can be created by joining segments of DNA taken from cells of different species.
B
Pieces of artificial functional DNA can be created in laboratories.
C
A piece of DNA taken out from an animal cell can be made to replicate outside a living cell in a laboratory.
D
Cells taken out from plants and animals can be made to undergo cell division in laboratory petri dishes.
Result Summary
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APEDIA

UPSC Prelims
2019 • 02 Jun, 2019 • Paper-1
With reference to the recent developments in science, which one of the following statements is not correct?
Correct Answer
Functional chromosomes can be created by joining segments of DNA taken from cells of different species.
Scientific Limits Analysis: While the intricate field of genetic engineering has undoubtedly advanced at an exponential pace, successfully fusing completely arb......
Ref/Book : UPSC Prelims 2019
Ref. Subject Science and Technology
Chapter -
Ref. Topic Biotechnology
Pg. No -
💡 Analysis & Explanation
Scientific Limits Analysis ▼
While the intricate field of genetic engineering has undoubtedly advanced at an exponential pace, successfully fusing completely arbitrary DNA segments sourced from wildly divergent species to synthetically construct a fully functioning, biologically stable chromosome entirely from scratch in a laboratory setting remains practically unachieved and staggeringly complex due to highly intricate structural and epigenetic regulatory requirements.
Valid Biotechnology Facts ▼
Conversely, the abilities to mechanically synthesize short artificial DNA sequences, flawlessly perform massive in-vitro DNA replication (using universally standard techniques like PCR), and successfully execute sustained cellular tissue culture in artificial petri dishes are all deeply established, undeniable, and routine scientific realities today.
Conclusion ▼
The grandiose claim of routinely and successfully creating functional cross-species chromosomes is currently far beyond established, verified scientific capability, making option A the clearly incorrect statement.
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