the sex chromosome that is present in both sexes: singly in males and doubly in females
human females normally have two X chromosomes
How To Use X chromosome In A Sentence
- To allow comparison between sexes, X chromosome abnormalities were concurrently studied in women.
- human females normally have two X chromosomes
- Males can, therefore, arise spontaneously, as a result of the rare meiotic loss of an X chromosome.
- This work shows a direct connection between elevated levels of corticosterone and the sex ratio of resultant offspring, leading researchers to conclude that corticosterone may directly influence sex chromosome segregation during meiosis, or may lead to differential maturation rates of differentially sexed ova. Carin Bondar: Is Your Crappy Boyfriend Stressing You Out? You Are Not Alone...
- If X chromosome loss occurs during oogenesis, then some ova are expected to be nullo-X, which would result in a patroclinous non-Unc male.
- Is Photosensitive Epilepsy Less Common in Males Due to Variation in X Chromosome Photopigment Genes?
- humans have 22 chromosome pairs plus two sex chromosomes
- Note that the bivalent sex chromosome remaining in the vicinity of the equator appears to be oriented to the poles.
- A visible example of X chromosome inactivation is the tortoiseshell cat.
- The chromosomal complement of each cell is divided into the autosomes and the sex chromosomes.