X chromosome
— Navneord
– Engelsk
~ the sex chromosome that is present in both sexes: singly in males and doubly in females; "human females normally have two X chromosomes"
x-axis
— Navneord
– Engelsk
~ the horizontal axis in a plane coordinate system
X-linked gene
— Navneord
– Engelsk
~ a gene located on an X chromosome
X
— Navneord
– Engelsk
~ the 24th letter of the Roman alphabet
X-ray machine
— Navneord
– Engelsk
~ an apparatus that provides a source of X rays
X-ray film
— Navneord
– Engelsk
~ photographic film used to make X-ray pictures
X-SCID
— Navneord
– Engelsk
~ SCID in male children resulting from mutation of a gene that codes for a protein on the surface of T cells that allows them to develop a growth factor receptor
X-linked recessive inheritance
— Navneord
– Engelsk
~ hereditary pattern in which a recessive gene on the X chromosome results in the manifestation of characteristics in male offspring and a carrier state in female offspring