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Fun Video: Sex Determination Video Lecture - Class 10

FAQs on Fun Video: Sex Determination Video Lecture - Class 10

1. What is sex determination?

Ans. Sex determination refers to the biological process by which an individual's sex is established, either male or female. It is determined by the combination of sex chromosomes inherited from the parents.

2. How is sex determined in humans?

Ans. In humans, sex is determined by the presence of sex chromosomes. Males have one X and one Y chromosome (XY), while females have two X chromosomes (XX). The sperm determines the sex of the offspring, as sperm can carry either an X or a Y chromosome.

3. Can sex determination be influenced by external factors?

Ans. No, sex determination in humans is solely determined by the combination of sex chromosomes received from the parents. External factors such as diet, environment, or lifestyle choices do not have an impact on the determination of an individual's sex.

4. Are there any exceptions to the typical male and female sex determination?

Ans. Yes, there are certain genetic conditions that can result in atypical sex determination. For example, individuals with Turner syndrome have a single X chromosome (X0) and are typically female, while individuals with Klinefelter syndrome have an extra X chromosome (XXY) and are typically male. These conditions are exceptions to the typical XX or XY sex determination.

5. Can sex determination be influenced by genetic disorders?

Ans. Yes, certain genetic disorders can affect sex determination. For instance, individuals with Androgen Insensitivity Syndrome (AIS) may have XY chromosomes but develop female characteristics due to an inability to respond to male sex hormones. Additionally, some intersex conditions can result in ambiguous genitalia, making it challenging to determine an individual's sex at birth. These genetic disorders can complicate the process of sex determination.

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Sep 08, 2025 Last updated

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