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To make chromosomal studies easier, chromosomes are classified into certain groups. So, the chromosome number 21,22 and Y are listed in
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G
To make chromosomal studies easier, chromosomes are classified into certain groups like A to G. So chromosome number 21, 22 and Y are listed in G.
Group A contains 1-3 chromosomes
B contains 4-5 chromosomes
C contains 6-12 chromosomes and X-chromosome
D contains 13-15 chromosomes
E contains $16-18$ chromosomes
F contains 19-20 chromosomes
G contains 21-22 chromosomes and Y chromosome
Group A contains 1-3 chromosomes
B contains 4-5 chromosomes
C contains 6-12 chromosomes and X-chromosome
D contains 13-15 chromosomes
E contains $16-18$ chromosomes
F contains 19-20 chromosomes
G contains 21-22 chromosomes and Y chromosome
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