Sentence examples for extra copy of from inspiring English sources

Including an extra copy of the Internet!

Down syndrome is caused by an extra copy of chromosome 21.

Down syndrome was an accident, a faulty extra copy of a single chromosome.

Down syndrome, also called trisomy 21, is caused by an extra copy of chromosome 21.

They're looking for an extra copy of chromosome 21, which causes Down's syndrome.

In Down's syndrome, each cell has an extra copy of chromosome 21.

Down syndrome, for example, results from an extra copy of chromosome 21.

Down syndrome is caused by having an extra copy of Chromosome 21.

Making an extra copy of something does not deny the owner possession of it.

P.S.&N. - extra copy of roster - I.C.C. 3 pp, of 2nd copy - C.N.Y.&W.

If you had an extra copy of this book, who would you give it to?