What is the genomic constitution of old world varieties of cotton (Gossypium arboreum, G. herbaceum) and new world varieties (G. hirsutum, G. barbedens) ______________.

All diploids

No worries! We‘ve got your back. Try BYJU‘S free classes today!

All triploids

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Old world 3n and new world 2n

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Old world 2n and new world 4n

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D Old world 2n and new world 4n
Gossypium arboreum, G. herbaceous - old world species - 2n = 26 Diploid Gossypium hirsutum, G.barbedens- new world species - 2n = 52 tetraploid.
So, the correct answer is 'Old world 2n and new world 4n'

Suggest Corrections

Similar questions

Assertion :New world and old world monkeys are alike.

Reason :Old world monkeys are closer to man.

Join BYJU'S Learning Program