Xx (Noun)
Meaning 1
The cardinal number that is the sum of nineteen and one.
Classification
Nouns denoting quantities and units of measure.
Examples
- The score was twenty to ten at the end of the first quarter.
- Twenty students were absent from school today due to the flu.
- She was twenty years old when she graduated from college.
- The hotel room was on the twentieth floor of the building.
- Twenty dollars was all I had in my wallet.
Synonyms
Hypernyms
Meaning 2
(genetics) normal complement of sex chromosomes in a female.
Classification
Nouns denoting body parts.
Examples
- Most mammals follow the XX sex-determination system, where females are XX and males are XY.
- The karyotype analysis revealed that the individual had an XX genotype, indicating that she was female.
- Chromosomal abnormalities, such as having more or fewer than XX sex chromosomes, can lead to developmental disorders.
- In humans, the presence of two X chromosomes, or XX, is necessary for the development of female reproductive organs.
- The XX sex chromosomes in females typically come in pairs, with one inherited from each parent.