Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Which fungus is used in the treatment of plant diseases under biological control.

Which law of inheritance of Mendel, is universally acceptable without any exception? State the law.

To use the restriction enzyme to cut the DNA, the DNA must be in a pure form, i.e. free from proteins and RNAs associated with it. How is it achieved?

Where is central drug research institute (CDRI) situated?

Very small animals are rarely found in polar regions. Give two reasons.

Name the technique that is used to alter the chemistryof genetic material (DNA/ RNA) to obtain the desired result.

Define biodiversity.

A haemophilic man marries a normal homozygous woman. What is the probability that their daughter will be haemophilic?

Why is a thermostable DNA polymerase needed in amplification (genetic engineering)?

Thymus of a new born child was degenerating right from birth due to a genetic disorder. Predict its two impacts on the health of the child.