Vidyalelo
Agriculture · Q184

Genetics And Plant Breeding

Graduate and Post Graduate · Agriculture · question 184

Q184

Brassica juncea is an amphidiploid between

A.
B. nigra and B. oleracea
B.
B. nigra and B. campestris
Answer
C.
B. oleracea and B. campestris
D.
None of the above

Answer: Option B

Solution

Answer: Option B
Solution:
Brassica juncea is an amphidiploid between B. nigra and B. compestris.
Brassica juncea L. belongs to the mustard family and has numerous common names used, e.g., brown mustard, Chinese mustard, or oriental mustard.
Brassica juncea is an amphidiploid with 18 chromosomes having in its genetic system the A genome (Brassica campestris) and the 8-chromosome B genome (Brassica nigra). Considerable natural variability exists under the A genome.