Write the genotype of (i) an individual who is carrier of sickle cell anaemia gene but apparently unaffected, and (ii) an individual affected with the disease.

Name the enzyme involved in the continuous replication of DNA strand. ...

Offsprings derived by asexual reproduction are called clones. Justify ...

Mention a characteristic feature and a function of zoospores in some a...

A human being suffering from Down's Syndrome shows trisomy of 21^(st) ...

Pea flowers produce assured seed sets. Give a reason.

British geneticist R.C. Punnett developed a graphical representation o...

State the two principal outcomes of the experiments conducted by Louis...

Name the layer of the atmosphere that is associated with 'good ozone'....

What are 'flocs', formed during secondary treatment of sewage ? OR ...

At what stage does the meiosis occur in an organism exhibiting haploid...

Mention two objectives of-setting up GEAC by our Government.

What are transgenic animals. Give an example.

Write the palindromic sequence that EcoRI recognises.

Trace the route of Sporozoite of Plasmodium when it enters the human b...

List any two characters of Pea plants used by Mendal in his experiment...

Name the disorder caused due to the absence of one of the X-chromosome...

Write one difference between binary fission and budding.

Mention two objectives of-setting up GEAC by our Government.

What are transgenic animals. Give an example.