The X chromosome is one of the two sex chromosomes in many organisms, including mammals, and is found in both males and females. It is a part of the XY...
42 KB (3,872 words) - 21:05, 30 April 2024
XY sex-determination system (redirect from X and Y chromosomes)
has XY chromosomes, but the SRY gene has been shut down. In most species with XY sex determination, an organism must have at least one X chromosome in order...
29 KB (3,394 words) - 13:01, 12 May 2024
X-inactivation (also called Lyonization, after English geneticist Mary Lyon) is a process by which one of the copies of the X chromosome is inactivated...
49 KB (5,683 words) - 22:30, 5 May 2024
The Y chromosome is one of two sex chromosomes in therian mammals and other organisms. Along with the X chromosome, it is part of the XY sex-determination...
81 KB (8,086 words) - 12:59, 12 May 2024
one X chromosome, and transcribe all information from the other, expressed X chromosome. Thus, human females have the same number of expressed X-linked...
57 KB (7,645 words) - 12:59, 27 March 2024
their chromosomal arms. The 23rd pair of chromosomes are called allosomes. These consist of two X chromosomes in females, and an X chromosome and a Y...
30 KB (3,662 words) - 13:02, 12 May 2024
Turner syndrome (redirect from Ring chromosome X)
45,X, or 45,X0, is a genetic disorder in which a person's cells have only one X chromosome or are partially missing an X chromosome (sex chromosome monosomy)...
78 KB (9,161 words) - 08:16, 21 May 2024
Pentasomy X, also known as 49,XXXXX, is a chromosomal disorder in which a female has five, rather than two, copies of the X chromosome. Pentasomy X is associated...
29 KB (3,390 words) - 00:08, 31 March 2024
called sister chromatids. During metaphase, the X-shaped structure is called a metaphase chromosome, which is highly condensed and thus easiest to distinguish...
65 KB (6,604 words) - 13:32, 12 May 2024
X-linked recessive inheritance is a mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be always expressed...
15 KB (1,754 words) - 18:07, 28 February 2024