A chromosome

noun

Genetics.

1. any chromosome belonging to the normal set characteristic of a given species.

Word History and Origins

Origin of A chromosome¹

First recorded in 1975–80

Example Sentences

Santos's team found that the mutation involves the loss of a small fragment of a chromosome, which causes a gene to overproduce a key protein in brain cells.

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"We had assumed that this DNA is in the form of 'naked' strands inside EVs, but we were surprised to find that it is mostly on the EV surface, wrapped around support proteins called histones, much as it would be in a chromosome," said Dr. Wortzel.

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“Denmark is probably the best country in the world at collecting this data - we have a national registry with everyone who has ever had a chromosome examination.”

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The first takes advantage of genetic redundancy -- the presence of multiple copies of the same gene on a chromosome -- so that intact copies of the gene can compensate for copies that might acquire mutations.

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Chromosome microdeletions refer to a condition in which several genes in a chromosome are missing.

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