What is the genotype of a normal human female?

The genotype of a normal human female is typically represented as XX. This means that she has two X chromosomes, one inherited from her mother and one from her father.

In humans, sex determination is carried out by the 23rd pair of chromosomes, which are known as the sex chromosomes. Females have two X chromosomes (XX), while males typically have one X and one Y chromosome (XY). The presence of two X chromosomes in females is crucial for various biological functions and contributes to the development of female secondary sexual characteristics.

It’s important to note that while the XX genotype is the most common, variations can occur, such as in individuals with Turner syndrome (XO) who have only one X chromosome, or individuals with androgen insensitivity syndrome who may have an XY genotype but develop female characteristics. However, in general discussions about the genotype of a normal human female, XX is the accepted answer.

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