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Sex chromosome - Wikipedia
Sex chromosomes (also referred to as allosomes, heterotypical chromosome, gonosomes, heterochromosomes, [1] [2] or idiochromosomes [1]) are chromosomes that carry the genes that determine the sex of an individual. The human sex chromosomes are a typical pair of mammal allosomes.

Sex chromosome | Definition, Examples, & Facts | Britannica
Sex chromosome, either of a pair of chromosomes that determine whether an individual is male or female. The sex chromosomes of human beings and other mammals are designated by scientists as X and Y. In humans the sex chromosomes consist of one pair of the total of 23 pairs of chromosomes.

What Are Sex Chromosomes (XX and XY Chromosomes)? - WebMD
Sex chromosomes are the genetic elements that define a person's biological sex. Learn about the XX and XY chromosomes, the sex determination system, and other chromosome combinations.

Sex Chromosomes: Definition, Purpose, Examples - Healthline
Sex chromosomes are chromosomes that affect your sexual anatomy and reproductive development. Most of us were raised with the idea that there are two sexes: male and female.

7.6: Sex Chromosomes - Biology LibreTexts
The nuclei of human cells contain 22 autosomes and 2 sex chromosomes. In females, the sex chromosomes are the 2 X chromosomes. Males have one X chromosome and one Y chromosome.

Sex Chromosome - National Human Genome Research Institute
A sex chromosome is a type of chromosome involved in sex determination. Humans and most other mammals have two sex chromosomes, X and Y, that in combination determine the sex of an individual. Females have two X chromosomes in their cells, while males have one X and one Y.

6.12 Sex chromosomes – Introduction to the Evolution & Biology of Sex
However, there is one exceptional set of chromosomes: the “sex chromosomes” (or pair 23; see “Understanding homology in humans”). These are known in humans as the X and Y chromosomes, because of their appearance. Generally, female humans have two pairs of X chromosomes.

Sex chromosome Definition and Examples - Biology Online
A sex chromosome is a type of chromosome responsible for the chromosomal determination of the sex of an individual, e.g. whether a female or a male. Sex determination is based on the genes responsible for the development of the corresponding sexual characteristics of the organism.

Genetics of Sex – Chromosomes, Genes, and Traits: An Introduction to ...
Define sex chromosome, autosome, heterogametic, homogametic, and haploinsufficient. Compare and contrast mechanisms of sex determination in different species. Recognize that both sex-linked and autosomal genes play a role in sex development in humans, and explain how disruptions in the sex development pathway can lead to differences of sex ...

Insights into the human sex chromosomes from divergence ... - Nature
This sex difference seems to be driven by a difference between the X versus Y copies in XY individuals, as the CF sex difference disappeared when the Y genes were ignored in XY individuals (Fig. 1a).

 

 

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