Essential Genetics 6th Edition by Daniel Hartl

تمرين 8

The herb genus Tragopogon , commonly known as goat's beard, shows a great deal of interspecific hybridization resulting in new species that are allopolyploids. Explain how three different species of Tragopogon , each with 2 n = 12 chromosomes, could hybridize and produce a new species with a chromosome number of 2 n = 36.