Understanding Polyploidy in Genetics

What is the process of increasing the absolute quantities of active constituents per plant through chromosome manipulation?

What is the process of continued selection and crossing of the most desirable individuals to achieve greater improvement in specific desirable qualities?

In the context of plant breeding, what method involves combining desirable characteristics of two different varieties or species?

What is the term for the process of combining desirable characteristics of two different varieties or species to create a single variety with new and desirable traits?

Which method of plant breeding is important in the commercial production of tobacco to increase both the quantity and nature of alkaloids produced?

In plant breeding, what can increase the absolute quantities of active constituents per plant by manipulating the chromosomes?

What can be induced by treating seeds with heat or specific chemical agents like colchicine in order to increase the absolute quantities of active constituents per plant?

Which method of plant breeding involves continued selection and crossing of the most desirable individuals to achieve greater improvement in specific desirable qualities?

What process involves chromosomes undergoing mitosis, resulting in four sets of chromosomes remaining in one cell, resulting in a tetraploid plant?