How do we know that chromosomes exist in homologous pairs?
Somatic cells from the same species contain the same number of chromosomes.
Centromere placements of nearly all chromosomes from somatic cells of the same species can be matched into pairs.
The lengths of nearly all chromosomes from somatic cells of the same species can be matched into pairs.
Centromere placements of nearly all chromosomes from somatic cells of the same species can not be matched into pairs.
The arm ratio for all chromosomes in homologous pairs is different for each individual.
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How do we know that chromosomes exist in homologous pairs?
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