Changes in sets of chromosomes- Polyploidy

Name n number example properties
monoploid/haploid 1n gametophytes, haploid yeast, some plants mitotic only
diploid 2n human body, higher plants, many fungi both
triploid 3n banana, Thompson's seedless grapes, seedless watermelon, winesap, Gravestein, and Baldwin apples, tulips - endosperm mitotic only
tetraploid 4n barley, hard winter wheat, allopolyploid-ok autoploid-rare
pentaploid 5n some endosperm mitotic only
hexaploid 6n bread wheat allopolyploid-ok autoploid-rare

Amphidiploid - Karpechenko - Raphanobrassica formed from cabbage and radish

 

Text iGenetics by Peter J. Russell

This web site is provided for instruction in Botany and Zoology 342

by Kenneth G. Wilson,
Professor of Botany
Miami University
wilsonkg@muohio.edu