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 (3,866 words) - 04:20, 10 March 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 (3,396 words) - 03:47, 15 April 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 (3,654 words) - 20:28, 25 December 2023 |
X chromosome reactivation (XCR) is the process by which the inactive X chromosome (the Xi) is re-activated in the cells of eutherian female mammals. Therian... 41 KB (5,094 words) - 22:56, 24 February 2024 |
Turner syndrome (redirect from Ring chromosome X) also known as 45,X, or 45,X0, is a genetic disorder in which a female is partially or completely missing an X chromosome (sex chromosome monosomy). Most... 77 KB (9,090 words) - 08:13, 28 April 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 |
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 |
Sex linkage (redirect from X chromosome disorders) present on a sex chromosome (allosome) rather than a non-sex chromosome (autosome). In humans, these are termed X-linked recessive, X-linked dominant and... 10 KB (1,220 words) - 04:49, 3 December 2023 |
Sex (redirect from Chromosomal sex) male usually carries an X and a Y chromosome (XY), and the female usually carries two X chromosomes (XX). Other chromosomal sex-determination systems... 63 KB (7,033 words) - 00:38, 30 April 2024 |
Klinefelter syndrome (category Sex chromosome aneuploidies) also known as 47,XXY, is a chromosome anomaly where a male has an extra X chromosome. As the presence of a Y chromosome denotes male sex, people with... 44 KB (4,487 words) - 04:13, 24 April 2024 |
within the FMR1 (fragile X messenger ribonucleoprotein 1) gene on the X chromosome. This results in silencing (methylation) of this part of the gene and... 59 KB (6,790 words) - 17:21, 21 April 2024 |
Tetrasomy X, also known as 48,XXXX, is a chromosomal disorder in which a female has four, rather than two, copies of the X chromosome. It is associated... 40 KB (4,815 words) - 05:17, 24 March 2024 |
Aerus Trisomy X, also known as triple X syndrome or XXX syndrome, a chromosomal disorder in which a female has an extra copy of the X chromosome All pages... 3 KB (459 words) - 10:52, 1 April 2024 |
ZW sex-determination system (redirect from Z chromosome) females are the heterogametic sex (ZW). The Z chromosome is larger and has more genes, similarly to the X chromosome in the XY system. No genes are shared between... 19 KB (2,280 words) - 16:04, 4 January 2024 |
X chromosomes. In contrast, male placental mammals, including chromosomally stable male cats, have one X and one Y chromosome. Since the Y chromosome... 17 KB (2,041 words) - 22:16, 29 April 2024 |
Skewed X-chromosome inactivation (skewed X-inactivation) occurs when the X-inactivation of one X chromosome is favored over the other, leading to an uneven... 27 KB (3,773 words) - 00:09, 27 March 2024 |
Autosome (redirect from Autosomal chromosome) By contrast, the allosome pair consists of two X chromosomes in females or one X and one Y chromosome in males. Unusual combinations of XYY, XXY, XXX... 11 KB (1,092 words) - 16:51, 14 October 2023 |
Nondisjunction (redirect from Chromosomal nondisjunction) number of chromosomes is restored via duplication of the single monosomic chromosome ("chromosome rescue"). Complete loss of an entire X chromosome accounts... 25 KB (2,847 words) - 00:44, 9 February 2024 |
Sex-determination system (section Chromosomal systems) two of the same kind of sex chromosome (XX), while males have two distinct sex chromosomes (XY). The X and Y sex chromosomes are different in shape and... 44 KB (4,946 words) - 05:24, 27 April 2024 |
Karyotype (redirect from Chromosome banding) A karyotype is the general appearance of the complete set of chromosomes in the cells of a species or in an individual organism, mainly including their... 59 KB (6,991 words) - 06:36, 20 February 2024 |
of X-inactivation, in which one of the X chromosomes is turned off at random in each cell in very early embryonic development. The inactivated X becomes... 18 KB (2,044 words) - 22:49, 20 April 2024 |
function x 1 − x − x 2 = x + x 2 ( 1 + x ) + x 3 ( 1 + x ) 2 + ⋯ + x k + 1 ( 1 + x ) k + ⋯ = ∑ n = 0 ∞ F n x n {\displaystyle {\frac {x}{1-x-x^{2}}}=x+x... 85 KB (12,887 words) - 17:37, 24 April 2024 |