which human chromosomes out of the 46 has nucleolus organizer regions (NOR)?

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which human chromosomes out of the 46 has nucleolus organizer regions (NOR)?

humans have 46 chromosomes. each chromosome has it's own structure and differs to one another. some chromosomes contain constrictions that are called nucleolus organizer regions that code for ribosomal proteins. which chromosome has these NOR structures?

2006-07-17 19:27:43 · 2 answers · asked by @leeR 1 in Science & Mathematics ➔ Biology

2 answers

Chromosomes 13,14,15,21 and 22

2006-07-17 23:12:38 · answer #1 · answered by bellerophon 6 · 1⤊ 0⤋

err, They all do i think im running off my year 10 Knowlage so this might not help But the DNA Carry's the Ribosomal Proteins (RNA) and the Cromosomes are .......Guessing the Second pair on the 11... If that helps :s

Meh Ty For The Points!

2006-07-17 19:32:10 · answer #2 · answered by auzie.man 2 · 0⤊ 0⤋