deletion /de·le·tion/ (dĕ-le´shun) in genetics, loss of genetic material from a chromosome. 
Deletion
deletion (del)
)
Examples of large-scale chromosomal deletions: (A), terminal; (B), interstitial.
de·le·tion (d -l  sh n)n. Loss, as from mutation, of one or more nucleotides from a chromosome. |
Deletion
The absence of genetic material that is normally found in a chromosome. Often, the genetic material is missing due to an error in replication of an egg or sperm cell.
Mentioned in: Cri Du Chat Syndrome, DiGeorge Syndrome, Prader-Willi Syndrome, Pseudoxanthoma Elasticum
deletion (del)
[dilē′shən]
Etymology: L, deletionum, destruction
the loss of a piece of a chromosome.
deletion
in genetics, loss of genetic material from a chromosome.
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