The sex chromosome present in both sexes of species in which the male is the heterogametic sex. Two copies of the X chromosome are present in each somatic cell of females and one copy is present in males.
Ver más 1 Men (the male sex) are most often created with the combination of both an x chromosome (feminine) and a y chromosome (masculine).
2 The X chromosomes of males are all the same in this regard.
3 This protein is encoded by the CYBB gene on the X chromosome .
4 The map covers a large part of the X chromosomes - at least 50 centimorgans.
5 Having children, or two X chromosomes should not be a barrier to this.
6 And behind every sperm, there may be an X chromosome gene.
7 Haplotypes were extensively analysed and found to exclude linkage to the X chromosome .
8 This gene is located on the X chromosome and encodes a UDP-galactose transporter.
9 In many multicellular organisms, males have one X chromosome and females have two.
10 One hundred control X chromosomes were screened by direct sequencing to exclude nonpathogenic polymorphisms.
11 The gene for hemophilia was carried on the X chromosome .
12 The gene for G6PD is located on the X chromosome .
13 The human X chromosome is known to contain several disease genes yet to be cloned.
14 Males produce equal numbers of sperm with an X chromosome and sperm with a Y.
15 In somatic cells, DPY-26 associates specifically with hermaphrodite X chromosomes to reduce their transcript levels.
16 This is the first report of a hematological disorder with both X chromosomes being translocated.
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