The normal sequence of markers on a certain Drosophila chromosome is
123.456789, where the dot represents the centromere. One fly was isolated with
the following aberration, 1654.32789. What could be the structural aberration
involved?

The somatic chromosome number (2n) of Arabidopsis thaliana is ?

When a cell with 2n = 60 chromosomes undergoes meiosis, each of the four
resulting cells has ------ chromosomes ?

Minute granular structures found on the inner face of the thyalakoid membrane ?

Hammerling performed experiments to prove that nucleus is the physical basis of
heredity by working on ?

P elements are transposable elements found in ?