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In humans, which of the following chromosomes determines the sex of an individual?
- a)Y chromosome
- b)X chromosome
- c)Z chromosome
- d)W chromosome
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In humans, which of the following chromosomes determines the sex of an...
In humans, the presence of the X chromosome determines the sex of an individual. Males have one X and one Y chromosome (XY), while females have two X chromosomes (XX).
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In humans, which of the following chromosomes determines the sex of an...
Explanation:
Sex Determination in Humans:
- In humans, the sex of an individual is determined by the presence or absence of specific chromosomes.
- The sex chromosomes in humans are designated as X and Y.
X Chromosome:
- The X chromosome is one of the two sex chromosomes found in humans.
- Individuals with two X chromosomes (XX) typically develop as females.
Y Chromosome:
- The Y chromosome is the other sex chromosome found in humans.
- Individuals with one X and one Y chromosome (XY) typically develop as males.
Determination of Sex:
- During fertilization, an individual receives one sex chromosome from each parent.
- If an individual receives an X chromosome from both parents (XX), they will develop as a female.
- If an individual receives an X chromosome from one parent and a Y chromosome from the other parent (XY), they will develop as a male.
Role of X Chromosome:
- The presence of the X chromosome is essential for the development of both males and females.
- However, the presence of the Y chromosome is specifically required for the development of male characteristics.
Therefore, in humans, the X chromosome plays a crucial role in determining the sex of an individual, with the presence of the Y chromosome leading to the development of male characteristics.
Sex Determination in Humans:
- In humans, the sex of an individual is determined by the presence or absence of specific chromosomes.
- The sex chromosomes in humans are designated as X and Y.
X Chromosome:
- The X chromosome is one of the two sex chromosomes found in humans.
- Individuals with two X chromosomes (XX) typically develop as females.
Y Chromosome:
- The Y chromosome is the other sex chromosome found in humans.
- Individuals with one X and one Y chromosome (XY) typically develop as males.
Determination of Sex:
- During fertilization, an individual receives one sex chromosome from each parent.
- If an individual receives an X chromosome from both parents (XX), they will develop as a female.
- If an individual receives an X chromosome from one parent and a Y chromosome from the other parent (XY), they will develop as a male.
Role of X Chromosome:
- The presence of the X chromosome is essential for the development of both males and females.
- However, the presence of the Y chromosome is specifically required for the development of male characteristics.
Therefore, in humans, the X chromosome plays a crucial role in determining the sex of an individual, with the presence of the Y chromosome leading to the development of male characteristics.
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In humans, which of the following chromosomes determines the sex of an individual?a)Y chromosomeb)X chromosomec)Z chromosomed)W chromosomeCorrect answer is option 'A'. Can you explain this answer?
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