Question

Root cells of wheat has 2n = 42 chromosomes. Which one of the following is the basic

chromosome number of wheat

Option 1:- 42

Option 2:- 21

Option 3:- 7

Option 4:- 14​

Answer 1

Explanation:

According to the question, the hexaploid wheat species (Triticum aestivum) have 6n = 42. Ploidy level of an organism shows the number of complete basic chromosome set which means that hexaploid species has 6 sets of basic chromosomes. Thus, basic chromosome number for 6n = 42; x = 7. Correct answer is C.

Answer 2

Answer:

option (2). 21

Explanation:

is the correct answer