Definitions
There is 1 meaning of the phrase
X Chromosome.
X Chromosome - as a noun
The sex chromosome that is present in both sexes: singly in males and doubly in females
Example: "Human females normally have two x chromosomes"
Example Sentences
"This research focuses on the x chromosome abnormalities in females."
"A genetic mutation can affect the x chromosome."
"The individual carries a recessive allele on their x chromosome."
"The disease is caused by a defect in the x chromosome."
"Some species exhibit x chromosome recombination."