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How many pairs of autosomal chromosomes ...

How many pairs of autosomal chromosomes are present in humans?

A

44

B

46

C

22

D

23

Text Solution

AI Generated Solution

The correct Answer is:
To determine how many pairs of autosomal chromosomes are present in humans, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Chromosomes**: - Humans have a total of 46 chromosomes, which are organized into pairs. 2. **Types of Chromosomes**: - Chromosomes are classified into two types: autosomes and sex chromosomes. - Autosomes are the chromosomes that do not determine the sex of an individual, while sex chromosomes (X and Y) are responsible for determining the gender. 3. **Counting the Pairs**: - Humans have 23 pairs of chromosomes in total. - Out of these 23 pairs, 22 pairs are classified as autosomes. 4. **Identifying the Sex Chromosomes**: - The remaining 1 pair consists of sex chromosomes, which are XX in females and XY in males. 5. **Conclusion**: - Therefore, the number of pairs of autosomal chromosomes present in humans is 22. ### Final Answer: Humans have **22 pairs of autosomal chromosomes**. ---
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