Definition of "trisomy" [trisomy]

  • (noun) The condition of having three copies of a given chromosome in each somatic cell rather than the normal number of two.

Use "trisomy" in a sentence

  • "The doctors soon discovered that he had multiple physical problems due to a genetic condition called trisomy 18."
  • "The baby had a serious chromosomal problem called trisomy 18, and Helen had to terminate the pregnancy."
  • "ROWLAND: Sam Strickland (ph) and Mandy Lemky's (ph) son was born with a deadly chromosomal disorder, known as trisomy 18, instead of two chromosome 18s, he had three."

Words like "trisomy"

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