P elements are transposable elements found in ?
Hammerling performed experiments to prove that nucleus is the physical basis ofheredity by working on ?
Minute granular structures found on the inner face of the thyalakoid membrane ?
When a cell with 2n = 60 chromosomes undergoes meiosis, each of the fourresulting cells has ------ chromosomes ?
The somatic chromosome number (2n) of Arabidopsis thaliana is ?
The normal sequence of markers on a certain Drosophila chromosome is123.456789, where the dot represents the centromere. One fly was isolated withthe following aberration, 1654.32789. What could be the structural aberrationinvolved?
If the somatic chromosome number for an organism is 2n = 16, the hexaploidnumber would be ?
--------------- is a drooping pendant fruticose lichen ?
Cyphellae in lichens are analogous to ----------------- in higher plants ?
Which of the following is called ‘walking fern’?
Which of the following has amphiphloic siphonostele ?
The fossil fern, Rhynia was discovered by?
Smallest fern among the following is ?
Endosperm in gymnosperm is ?
Characters of both conifer and cycads are found in ?