Plants that flower irrespective of the length of the day.

Describe using well labelled diagrams the development of mammalian pancreas.

A mass of cells that divides to form the archesporial mother cells

The nutritive cell surrounding the nucellus and that develop from the inner-most layer of the integument.

in-vitro clonal propagation.

Diagrammatically show the early, middle and late stages of gastrulation in the frog Xenopus laevis.

) Describe the various experiments conducted by scientists to analyse the developmental potency of the embryonic nuclei. Also give the conclusions drawn by the scientists from these experiments.