What structure will form during synapsis in Prophase I if there is a partial chromosome deletion or duplication? a. inversion loop.
b. tetravalent complex.
c. solenoid.
d. nucleosome.
e. unpaired loop.

The correct answer is option e, that is, unpaired loop.

Explanation:

For base pairing to take place, the duplicated or the deleted region will not possess any kind of complementary region. Thus, it produces an unpaired loop. The formation of the inversion loop takes place at the time of paracentric and pericentric inversion. A high-level packaging composition produced by chromatin is known as a solenoid. A bead on string structure produced by enveloping DNA around the core of histone proteins is termed a nucleosome.