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I did not eliminate (C) when I first read it. It does support the conclusion a bit. But it wasn't the best so the point was - if there is nothing else, then (C) could be it. But otherwise, its support is not much. Just because Animal husbandry was a main occupation, it doesn't mean that these birds were being farmed.
But option (D) is a lot more meaningful. The DNA shows low diversity so farming makes sense.

Feb2024
unraveled Bunuel KarishmaB MartyMurray GMATNinja gmatwhiz

Hello Experts! Please provide your guidance here. I am unable to decide between Choices C & D.

Is the timeframe a correct reason to eliminate C? Also, let us say Choice C had mentioned the period as 650 BC and 300 AD. In that case, which would have the correct answer?

I appreciate any help you can provide.­
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Thank You KarishmaB for clarifying my doubt :)
KarishmaB
I did not eliminate (C) when I first read it. It does support the conclusion a bit. But it wasn't the best so the point was - if there is nothing else, then (C) could be it. But otherwise, its support is not much. Just because Animal husbandry was a main occupation, it doesn't mean that these birds were being farmed.
But option (D) is a lot more meaningful. The DNA shows low diversity so farming makes sense.

Feb2024
unraveled Bunuel KarishmaB MartyMurray GMATNinja gmatwhiz

Hello Experts! Please provide your guidance here. I am unable to decide between Choices C & D.

Is the timeframe a correct reason to eliminate C? Also, let us say Choice C had mentioned the period as 650 BC and 300 AD. In that case, which would have the correct answer?

I appreciate any help you can provide.­
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How does interbreeding lead to long term farming / domestication and not animal husbandry ( which literally means domestication ) ?
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Between around 664BC and 250AD, it was common practice in ancient Egypt to offer the ibis birds as sacrifice to the god Thoth, and subsequently mummify them. In ancient sites across Egypt, these mummified birds are stacked floor to ceiling along kilometers of catacombs, totaling many millions of birds. However, how the Egyptians got access to so many birds has been a mystery; some ancient texts indicate that long-term farming and domestication may have been employed.

Which of the following, if true, most strongly suggests that the ancient texts may have been right after all?

A. Recent studies found that the genetic diversity of mummified Ibises within and between catacombs was similar to that of modern wild populations.

B. Dating back to 3000 years ago, paintings of the sacred ibises being offered as sacrifice have been found in many caves scattered across what was ancient Egypt.

C. Animal husbandry was one of the primary occupations of the ancient Egyptians between 650 BC and 200 AD.

D. Studies of DNA collected from 40 mummified Ibis specimens dating to 2500 years ago found the genetic diversity to be low, indicating interbreeding of restricted populations.

E. From studies on ancient fossils dated 4000 years ago, scientists have identified that many species of birds bred significantly more slowly in captivity than in the wild.
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KarishmaB - Will GMAT actually provide options which contain a larger number like 2500 years in the option Choice, requiring us to calculate manually and/or perhaps eliminate only based on that?

Seems odd to me.
KarishmaB
I did not eliminate (C) when I first read it. It does support the conclusion a bit. But it wasn't the best so the point was - if there is nothing else, then (C) could be it. But otherwise, its support is not much. Just because Animal husbandry was a main occupation, it doesn't mean that these birds were being farmed.
But option (D) is a lot more meaningful. The DNA shows low diversity so farming makes sense.

Feb2024
unraveled Bunuel KarishmaB MartyMurray GMATNinja gmatwhiz

Hello Experts! Please provide your guidance here. I am unable to decide between Choices C & D.

Is the timeframe a correct reason to eliminate C? Also, let us say Choice C had mentioned the period as 650 BC and 300 AD. In that case, which would have the correct answer?

I appreciate any help you can provide.­
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Yes, I wouldn't be surprised if some timelines are mentioned and you are supposed to align them in sequence to get a meaningful result. There are quantitative CR questions where Sets, Percentages and Weighted Averages also play quite a role.

glagad
KarishmaB - Will GMAT actually provide options which contain a larger number like 2500 years in the option Choice, requiring us to calculate manually and/or perhaps eliminate only based on that?

Seems odd to me.
KarishmaB
I did not eliminate (C) when I first read it. It does support the conclusion a bit. But it wasn't the best so the point was - if there is nothing else, then (C) could be it. But otherwise, its support is not much. Just because Animal husbandry was a main occupation, it doesn't mean that these birds were being farmed.
But option (D) is a lot more meaningful. The DNA shows low diversity so farming makes sense.

Feb2024
unraveled Bunuel KarishmaB MartyMurray GMATNinja gmatwhiz

Hello Experts! Please provide your guidance here. I am unable to decide between Choices C & D.

Is the timeframe a correct reason to eliminate C? Also, let us say Choice C had mentioned the period as 650 BC and 300 AD. In that case, which would have the correct answer?

I appreciate any help you can provide.­
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