DNA | South China Morning Post
  • Mon
  • Mar 30, 2015
  • Updated: 3:27pm

DNA

PUBLISHED : Thursday, 29 March, 2007, 12:00am
UPDATED : Thursday, 29 March, 2007, 12:00am
 

A


Use these words to complete the sentences: information, cellular, process, cell, genetic


DNA - short for Deoxyribonucleic Acid (pronounced: dee-ox-ee-rye-bonew-klee-ic-ass-id) - is the 1. _______________ material of all 2. _______________ organisms and most viruses. Replication is the 3. _______________ which DNA copies itself for each descendant


4. _______________ or virus, passing on the 5. _______________ needed.


B


The geneticists injected mouse embryos with the DNA of a bioluminescent North American jellyfish.


List five creative future uses for DNA


1.


2.


3.


4.


5.


C


DNA as evidence


DNA profiles can be taken from hair, saliva, skin, faeces and blood.


It can be collected at crime scenes and used to identify criminals. It can also be used in court as evidence.


D


Debate


The onus is on the accused to prove their innocence rather than the prosecution to prove their guilt.


How will juries react to DNA evidence?


E


Cross Match


WORD MEANINGS


1. embryos (em-bree-oh)


2. geneticist (juh-net-uh-sist)


3. bioluminescent (bahy-oh-loo-muh-nes-uhnt)


4. laboratory (luh-bor-uh-tuh-ree)


5. evidence (ev-i-duhns)


A. A specialist or expert in genetics


B. An organism in its early stages of development, before it has reached a distinctively recognisable form


C. Emission of visible light by living organisms, such as the firefly and various fish, fungi, and bacteria


D. In law: the data presented to a court or jury to prove the facts in an issue


E. Any place to conduct experiments, investigations, observations, etc


Answers:


A - 1. genetic, 2. cellular, 3. process, 4. cell, 5. information


E - 1. b, 2. a, 3. c, 4. e, 5. d


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