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# The ability to analyze genomes — sequences of DNA — has grown more and

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The ability to analyze genomes — sequences of DNA — has grown more and  [#permalink]

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28 Apr 2012, 19:52
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Difficulty:

25% (medium)

Question Stats:

78% (01:51) correct 22% (01:57) wrong based on 1072 sessions

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The ability to analyze genomes — sequences of DNA — has grown more and more sophisticated. Scientists are able to examine the biological past in finer detail and with greater accuracy. A new analysis of the genetic links between early humans and chimpanzees has led to a hypothesis that the two species diverged more recently than previous estimates indicated. This gives credence to a very startling new theory: the ancestors of humans and chimpanzees might have hybridized to produce the lineage from which modern humans eventually developed.

What can be inferred from the statements above?

(A) Hybridized species combine the best of both lineages.
(B) Political and religious pressures will affect the course of future research.
(C) Future research will enable scientists to determine the exact characteristics of this hybrid ancestor of modern man.
(D) Earlier genome analysis established genetic links between early humans and chimpanzees.
(E) Human DNA is more complex than that of chimpanzees.

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Joined: 23 Oct 2013
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Re: The ability to analyze genomes — sequences of DNA — has grown more and  [#permalink]

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20 Nov 2013, 19:05
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Inference questions do not always encompass the entire argument. Sometimes they play on only a portion of the argument. Inference answers must absolutely 100% be TRUE.

This inference question comes from this statement: "A new analysis of the genetic links between early humans and chimpanzees has led to a hypothesis that the two species diverged more recently than previous estimates indicated." If the species are thought to have diverged more recently than previous estimates indicated, then that means there were previous estimates indicating a genetic relationship. This is answer choice D.

I hope this helps!!!
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Re: The ability to analyze genomes — sequences of DNA — has grown more and  [#permalink]

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18 Nov 2013, 21:06
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The ability to analyze genomes — sequences of DNA — has grown more and more sophisticated. Scientists are able to examine the biological past in finer detail and with greater accuracy. A new analysis of the genetic links between early humans and chimpanzees has led to a hypothesis that the two species diverged more recently than previous estimates indicated. This gives credence to a very startling new theory: the ancestors of humans and chimpanzees might have hybridized to produce the lineage from which modern humans eventually developed.

What can be inferred from the statements above?
• Hybridized species combine the best of both lineages.
• Political and religious pressures will affect the course of future research.

• Future research will enable scientists to determine the exact characteristics of this hybrid ancestor of modern man.

• Earlier genome analysis established genetic links between early humans and chimpanzees.
• Human DNA is more complex than that of chimpanzees.
##### General Discussion
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Re: The ability to analyze genomes — sequences of DNA — has grown more and  [#permalink]

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30 Dec 2013, 10:14
creativeminddu wrote:
The ability to analyze genomes — sequences of DNA — has grown more and more sophisticated. Scientists are able to examine the biological past in finer detail and with greater accuracy. A new analysis of the genetic links between early humans and chimpanzees has led to a hypothesis that the two species diverged more recently than previous estimates indicated. This gives credence to a very startling new theory: the ancestors of humans and chimpanzees might have hybridized to produce the lineage from which modern humans eventually developed.

What can be inferred from the statements above?
• Hybridized species combine the best of both lineages.
• Political and religious pressures will affect the course of future research.

• Future research will enable scientists to determine the exact characteristics of this hybrid ancestor of modern man.

• Earlier genome analysis established genetic links between early humans and chimpanzees.
• Human DNA is more complex than that of chimpanzees.

A) Hybridized species combine the best of both lineages. - Totally out of scope - Wrong
B) Political and religious pressures will affect the course of future research. - Totally out of scope - Wrong
C) Future research will enable scientists to determine the exact characteristics of this hybrid ancestor of modern man. - Future research might never occur. This is not an inferred type answer - Wrong
D) Earlier genome analysis established genetic links between early humans and chimpanzees. - CORRECT
E) Human DNA is more complex than that of chimpanzees - Anything like this is said in the text - Wrong
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Re: The ability to analyze genomes — sequences of DNA — has grown more and  [#permalink]

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07 Sep 2016, 22:08
The statements indicate that DNA analysis has become more sophisticated and thus produced better results. The passage comments on a "new analysis" and “a very startling new theory” about the origins of modern man and chimpanzees.

D - CORRECT. The passage states that a "new analysis of the genetic links between early humans and chimpanzees has led to a hypothesis that the two species diverged more recently than previous estimates indicated." The fact that this is a "new" analysis suggests that prior analysis had already established the links; also, since the new theory has altered the time frame for the divergence, it follows that some genetic link and subsequent divergence was already ascertained.
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Re: The ability to analyze genomes — sequences of DNA — has grown more and  [#permalink]

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08 Sep 2016, 00:27
3
A new analysis of the genetic links between early humans and chimpanzees has led to a hypothesis that the two species diverged more recently than previous estimates indicated. This gives credence to a very startling new theory: the ancestors of humans and chimpanzees might have hybridized to produce the lineage from which modern humans eventually developed.

As inference means every word of correct answer is stated in the argument:
• Hybridized species combine the best of both lineages. - best, no where discussed in the passage.
Political and religious pressures will affect the course of future research. - out of scope

• Future research will enable scientists to determine the exact characteristics of this hybrid ancestor of modern man. - it's an assumption, nothing in passage supports or substantiate this statement.

• Earlier genome analysis established genetic links between early humans and chimpanzees. - look at the bold part in the argument section, it states that the link between humans and chimpanzees is fairly new in comparison to what earlier thought that they diverged long ago.
• Human DNA is more complex than that of chimpanzees. - this comparison is discussed nowhere in the passage.

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Joined: 07 Aug 2016
Posts: 1
Re: The ability to analyze genomes — sequences of DNA — has grown more and  [#permalink]

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26 Sep 2018, 03:32
what is the level for this question?
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Re: The ability to analyze genomes — sequences of DNA — has grown more and  [#permalink]

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02 Oct 2018, 08:33
vidushi7 wrote:
what is the level for this question?

vidushi7 - You can estimate the level of a question based on tags and question stats, which calculates the difficulty based on the percentage of correct responses and time taken
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Re: The ability to analyze genomes — sequences of DNA — has grown more and   [#permalink] 02 Oct 2018, 08:33
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