Q. Assertion: Symmetric hybrids are utilized to widen the genetic base of allopolyploid species.

 Reason: Producing synthetic lines of Brassica napus by fusing B. oleracea and B. campestris introduces desirable traits that might be missing in the current cultivated pool.

#Question id: 2727

#Life Sciences

What marks the difference between the solenoid and the zig-zag models of 30 nm fibres?

#Question id: 2727

#Environmental Science

What marks the difference between the solenoid and the zig-zag models of 30 nm fibres?

#Question id: 2730

#Botany

The histone tails are required for chromatin to condense from the beads-on- a-string conformation into the 30-nm fiber. Recent experiments indicate that the N-terminal tails of histone H4, particularly_____________, are critical for forming the 30-nm fiber.

#Question id: 2730

#Zoology

The histone tails are required for chromatin to condense from the beads-on- a-string conformation into the 30-nm fiber. Recent experiments indicate that the N-terminal tails of histone H4, particularly_____________, are critical for forming the 30-nm fiber.

#Question id: 2730

#Life Sciences

The histone tails are required for chromatin to condense from the beads-on- a-string conformation into the 30-nm fiber. Recent experiments indicate that the N-terminal tails of histone H4, particularly_____________, are critical for forming the 30-nm fiber.

#Question id: 2730

#Environmental Science

The histone tails are required for chromatin to condense from the beads-on- a-string conformation into the 30-nm fiber. Recent experiments indicate that the N-terminal tails of histone H4, particularly_____________, are critical for forming the 30-nm fiber.