Reproductive Health — BIOLOGY STD 12 Science — Question

Write short notes on cloning vectors.

Why is apple called a false fruit? Which part(s) of the flower forms the fruit?

Where does fertilisation normally take place in a human female?

Explain the Importance of microrganism in the production of enzymes and other bioactive molecules.

Write any four properties of a good vector.

What is acrosome?

How does the application of cyanobacteria help improve agriculture output?

How to Prevent STIs ?###What are the measures one has to take to prevent from contracting STDs?

A cross between a normal couple resulted in a son who was haemophilic and a normal daughter. In course of time, when the daughter was married to a normal man, to their surprise, the grandson was also haemophilic.
Represent this cross in the form of a pedigree chart. Give the genotypes of the daughter and her husband.

List the post-fertilisation events in angiosperms.