Why is it not possible for an alien DNA to become part of a chromosome anywhere along its length and replicate normally?

State Gause's Competitive Exclusion Principle.

Name the enzymes that are used for the isolation of DNA from bacterial and fungal cells for recombinant DNA technology.

Name the part of the flower which the tassels of the corn-cob represent.

In Snapdragon, A cross between true breeding red flower (RR) plants and true breeding white flower (rr) plants showed a Progeny of plants with all pink flowers.

(a)The appearance of pink flowers is not known as blending. Why?(b)What is the phenomenon known as?

Mention any two contrasting traits with respect to seeds in pea plant that were studied by Mendel.

State the role of C-peptide in human insulin.

Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.

Name the type of association that the genus Glomus exhibits with higher plants.

Why is secondary immune response more intense than the primary immune response in human?