Question
How many autosomes and allosomes are present in human beings?
Answer: Option B
:
B
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B
- There are 22 pairs of autosomes and one pair of allosomes (also called sex chromosomes), thus a total of 23 pairs ofchromosomes.
- In human karyotype, the autosome pairs are labelled with numbers, while thesex chromosomes are labelled withletters. Females (44+XX) havetwo X chromosomes while males (44+XY) containone X and one Y chromosome.
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