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How many chromosomes are there in humans?
- a)36
- b)46
- c)56
- d)26
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
How many chromosomes are there in humans?a)36b)46c)56d)26Correct answe...
In humans, each cell normally contains 23 pairs of chromosomes, a total of 46.
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How many chromosomes are there in humans?a)36b)46c)56d)26Correct answe...
Understanding Human Chromosomes
Humans have a total of 46 chromosomes, which are organized into 23 pairs. This genetic material plays a crucial role in heredity and cellular function.
Chromosome Structure
- Each chromosome is made up of DNA and proteins.
- They contain genes, which are segments of DNA that code for proteins and determine traits.
Chromosome Pairs
- Humans have 23 pairs of chromosomes:
- 22 pairs are called autosomes (non-sex chromosomes).
- 1 pair consists of sex chromosomes (XX for females and XY for males).
Significance of Chromosome Count
- The count of 46 chromosomes is vital for normal development and functioning.
- Abnormal numbers can lead to genetic disorders (e.g., Down syndrome is caused by an extra chromosome 21, resulting in 47 chromosomes).
Conclusion
In summary, the correct answer is 46 chromosomes, as this number is essential for genetic stability and the proper functioning of all biological processes in humans.
Humans have a total of 46 chromosomes, which are organized into 23 pairs. This genetic material plays a crucial role in heredity and cellular function.
Chromosome Structure
- Each chromosome is made up of DNA and proteins.
- They contain genes, which are segments of DNA that code for proteins and determine traits.
Chromosome Pairs
- Humans have 23 pairs of chromosomes:
- 22 pairs are called autosomes (non-sex chromosomes).
- 1 pair consists of sex chromosomes (XX for females and XY for males).
Significance of Chromosome Count
- The count of 46 chromosomes is vital for normal development and functioning.
- Abnormal numbers can lead to genetic disorders (e.g., Down syndrome is caused by an extra chromosome 21, resulting in 47 chromosomes).
Conclusion
In summary, the correct answer is 46 chromosomes, as this number is essential for genetic stability and the proper functioning of all biological processes in humans.
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How many chromosomes are there in humans?a)36b)46c)56d)26Correct answe...
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