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There are 23 pairs of chromosomes in the nuclei of human cell.
- a)True
- b)False
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
There are 23 pairs of chromosomes in the nuclei of human cell.a)Trueb)...
Explanation:
The statement is true. Let's break down the explanation into different sections:
Chromosomes in Human Cells:
- Chromosomes are thread-like structures present in the nucleus of a cell.
- They carry genetic information in the form of DNA.
- Humans have 46 chromosomes in total, arranged in 23 pairs.
Types of Chromosomes:
- There are two types of chromosomes: autosomes and sex chromosomes.
- Autosomes are responsible for determining the characteristics and traits of an individual, excluding their sex.
- Sex chromosomes determine the sex of an individual.
Chromosome Pairs:
- Out of the 23 pairs of chromosomes, 22 pairs are autosomes.
- These autosomes are numbered from 1 to 22, with the first pair being the largest and the last pair being the smallest.
- The remaining pair of chromosomes, the 23rd pair, consists of sex chromosomes.
- In males, the 23rd pair is composed of one X chromosome and one Y chromosome, denoted as XY.
- In females, the 23rd pair is composed of two X chromosomes, denoted as XX.
Total Number of Chromosomes:
- Humans have two copies of each chromosome, one inherited from the mother and one from the father.
- Therefore, the total number of chromosomes in a human cell is 46 (2 sets of 23 chromosomes).
- This includes 22 pairs of autosomes and 1 pair of sex chromosomes.
Conclusion:
In conclusion, there are 23 pairs of chromosomes in the nuclei of human cells. These include 22 pairs of autosomes and 1 pair of sex chromosomes. The total number of chromosomes in a human cell is 46.
The statement is true. Let's break down the explanation into different sections:
Chromosomes in Human Cells:
- Chromosomes are thread-like structures present in the nucleus of a cell.
- They carry genetic information in the form of DNA.
- Humans have 46 chromosomes in total, arranged in 23 pairs.
Types of Chromosomes:
- There are two types of chromosomes: autosomes and sex chromosomes.
- Autosomes are responsible for determining the characteristics and traits of an individual, excluding their sex.
- Sex chromosomes determine the sex of an individual.
Chromosome Pairs:
- Out of the 23 pairs of chromosomes, 22 pairs are autosomes.
- These autosomes are numbered from 1 to 22, with the first pair being the largest and the last pair being the smallest.
- The remaining pair of chromosomes, the 23rd pair, consists of sex chromosomes.
- In males, the 23rd pair is composed of one X chromosome and one Y chromosome, denoted as XY.
- In females, the 23rd pair is composed of two X chromosomes, denoted as XX.
Total Number of Chromosomes:
- Humans have two copies of each chromosome, one inherited from the mother and one from the father.
- Therefore, the total number of chromosomes in a human cell is 46 (2 sets of 23 chromosomes).
- This includes 22 pairs of autosomes and 1 pair of sex chromosomes.
Conclusion:
In conclusion, there are 23 pairs of chromosomes in the nuclei of human cells. These include 22 pairs of autosomes and 1 pair of sex chromosomes. The total number of chromosomes in a human cell is 46.
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Community Answer
There are 23 pairs of chromosomes in the nuclei of human cell.a)Trueb)...
Yes right answer is 'A' Because there are '22' chromosome in human being and '22' pairs called Autosome and 23rd part called sex chromosome this is difference
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