chromosome number: Quick Facts

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Photos

Karyotype and human chromosome number

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Topics

chromosome 19 chromosome 21 chromosome 3 chromosome gene sex chromosome Why Are Chromosomes in Pairs?major histocompatibility complex telomere karyotype Autosome chromatid ploidy centromere

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fern: Chromosome numbers and polyploidy

Key People

Beneden, Edouard van

Edouard van Beneden

Belgian embryologist and cytologist