What is the genotype for females in humans?

Prepare for the IGCSE Biology test on human reproduction. Study with comprehensive flashcards and multiple-choice questions, each including hints and explanations. Excel in your exam!

The genotype for females in humans is represented as XX, where each "X" chromosome carries genetic information. In humans, sex determination is based on the combination of sex chromosomes inherited from the parents. Females inherit one X chromosome from their mother and one X chromosome from their father, leading to the XX genotype. This combination plays a crucial role in the development of female characteristics and the functioning of female reproductive systems.

In contrast, males typically have an XY genotype, inheriting one X chromosome from their mother and one Y chromosome from their father. The presence of the Y chromosome is associated with male development. Other genotypes mentioned, such as YY and XYY, do not represent typical human female genetics, as YY would not be viable in humans and XYY describes a specific male condition. Hence, the XX genotype is specifically indicative of females.

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