Name the chromosome that is present in both male as well as female.

The X chromosome is present in males as well as in females. Therefore, the X-linked traits can be present in both males and in females!

Sex chromosomes

A sex chromosome is a type of chromosome that participates in sex determination. Humans and most other mammals have two sex chromosomes, the X and the Y. Females have two X chromosomes in their cells, while males have both X and Y chromosomes in their cells. Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome. When fertilisation occurs, the male determines the sex of the offspring.

  • If you are XX, you are female. If you are XY, you are male.
  • The X chromosome is one of the two sex-determining chromosomes (allosomes) in many organisms, including mammals (the other is the Y chromosome), and is found in both males and females.

Chromosomal disorders

A chromosome disorder results from a change in the number or structure of chromosomes.

  • Chromosome abnormalities usually occur when there is an error in cell division, resulting in cells with too few or too many copies of a chromosome.
  • Examples of chromosomal abnormalities include Down syndrome, Trisomy 18, Trisomy 13, Klinefelter syndrome, XYY syndrome, Turner syndrome and triple X syndrome.

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