Definition of "duplications" [duplications]

• Plural form of duplication. (noun)

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• "Steve, or a person with a duplication of a part of a chromosome, resulting in duplications of scores or hundreds of genes (very common, it turns out)."
• "Consider a person with only one good copy of the CFTR gene (that person is a carrier of cystic fibrosis), or a person with a duplication of a part of a chromosome, resulting in duplications of scores or hundreds of genes (very common, it turns out)."
• "The login should use AJAX to check for username duplications, email's, drop down list selection and CAPTCHA. i3."