Bread wheat (2 n =42), which is a staple food for about a third of the world's population, evolved from two wheat-like ancestors (both 2 n =14); therefore, bread wheat is a ____ organism.
A) diploid
B) hexaploid
C) triploid
D) tetraploid

Question

Quizplus · Accepted Answer

Bread wheat is a hexaploid organism because it has six sets of chromosomes (2n = 42), which means it has three times the haploid number of chromosomes of its ancestors (each with 2n = 14).

Bread Wheat (2 N =42), Which Is a Staple Food