( X chromosomes)
An X chromosome is one of an identical pair of chromosomes found in a woman’s cells, or one of a non-identical pair found in a man’s cells. X chromosomes are associated with female characteristics. Compare Y chromosome .
N-COUNT
( X chromosomes)
An X chromosome is one of an identical pair of chromosomes found in a woman’s cells, or one of a non-identical pair found in a man’s cells. X chromosomes are associated with female characteristics. Compare Y chromosome .
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006