X chromosome
SEX CHROMOSOME PRESENT IN BOTH SEXES, OF SPECIES IN WHICH THE MALE IS THE HETEROGAMETIC SEX
Chromosome X (human); Chromosomes, human, x; X chromosomes; X-chromosome; X Chromosome; Chromosome X; Human chromosome X; Human X chromosome; X chromosome (human); Unguarded X hypothesis
cromosoma x (consente di individuare il sesso del feto)