Bread wheat (2n=42), which is a staple food for about a third of the world's population, evolved from two wheat-like
ancestors (both 2n=42); therefore, bread wheat is a ____ organism
a. diploid
b. hexaploid
c. triploid
d. tetraploid
e. tetraploid
ANSWER: b
You might also like to view...
The only evolutionary process that leads to adaptive change is:
A. mutation. B. migration. C. natural selection. D. genetic drift. E. All of the answer options are correct.
The development of penicillin-resistant bacteria in the 20th Century represents an example of
a. punctuated equilibrium b. speciation c. genetic drift d. microevolution e. mutation
The main function of the endomembrane system is building and modifying _____ and _____
Fill in the blank(s) with correct word
What is the fate of metabolites during respiration?
a. They are oxidized completely to carbon dioxide and water. b. They are reduced to from NADH and FADH2. c. They are oxidized completely to form pyruvic acid. d. They are rearranged to form GTP.