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Some communities have agreed to share online—geneticists, for example, post DNA sequences at the GenBank repository ( ' , 库), and astronomers are accustomed to accessing images of galaxies and stars from, say, the Sloan Digital Sky Survey, a telescope that has observed some 500 million objects—but these remain the exception, not the rule.

出自-2017年6月阅读原文

Some communities have agreed to share online—geneticists, for example, post DNA sequences at the GenBank repository 库, and astronomers are accustomed to accessing images of galaxies and stars from, say, the Sloan digital Sky Survey, a telescope that has o

2017年6月六级真题（第一套）阅读 Section C

Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father’s line or mitochondrial DNA, which a passed down only from mothers.

出自-2009年考研阅读原文

This means that a DNA database may differ depending on the company that processes the results.

出自-2009年考研阅读原文

This DNA can reveal genetic information about only one or two ancestors, even though, for example, just three generations back people also have six other great-grandparents or, four generations back, 14 other great-great-grandparents.

出自-2009年考研阅读原文

More than two dozen companies sell DNA tests Directly to the public , ranging in price from a few hundred dollars to more than $2500.

出自-2009年考研阅读原文

DNA testing is also the latest rage many passionate genealogists-and supports businesses that offer to search for a family's geographic roots.

出自-2009年考研阅读原文

All tests require a potential candidate with whom to compare DNA.

出自-2009年考研阅读原文

Companies are unlikely to file many more patents for human DNA molecules - most are already patented or in the public domain.

2012年考研真题（英语二）阅读理解 Section Ⅱ

Companies had won patents for isolated DNA for decades-by 2005 some 20% of human genes were patented.

2012年考研真题（英语二）阅读理解 Section Ⅱ

DNA testing is also the latest rage among passionate genealogists—and supports businesses that offer to search for a family's geographic roots.

2009年考研真题（英语一）阅读理解 Section Ⅱ

girls' attraction to pink may seem unavoidable, somehow encoded in their DNA, but according to Jo Paoletti, an associate professor of American Studies, it is not.

2012年考研真题（英语二）阅读理解 Section Ⅱ

In October the Department of Justice filed a brief in the Myriad case, arguing that an isolated DNA molecule "is no less a product of nature... than are cotton fibres that have been separated from cotton seeds."

2012年考研真题（英语二）阅读理解 Section Ⅱ

More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred dollars to more than $2500.

2009年考研真题（英语一）阅读理解 Section Ⅱ

This means that a DNA database may have a lot of data from some regions and not others, so a person's test results may differ depending on the company that processes the results.

2009年考研真题（英语一）阅读理解 Section Ⅱ

Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father's line or mitochondrial DNA, which is a passed down only from mothers.

2009年考研真题（英语一）阅读理解 Section Ⅱ