The number of autosomes and allosomes present in a human cell:

ICSE Class 10 Biology PYQ · 2026 Specimen · Section A

1(xii)1 Mark · 2026 · Section A · 2026 Specimen

The number of autosomes and allosomes present in a human cell:

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22 pairs of autosomes, 1 pair of allosome

Reason — Humans have 23 pairs of chromosomes in total. 22 pairs are autosomes (non-sex chromosomes). 1 pair is allosomes (sex chromosomes — X and Y). So, the human cell contains 22 pairs of autosomes and 1 pair of allosomes.

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