Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions for Biology

A colourblind woman marries a normal visioned male. In the offspring ______.

The polytene chromosomes were discovered for the first time in ______.

Human genome consists of approximately ______.

Estimated number of genes in human beings is ______.

Give any six features of the human genome.

How has the sequencing of human genome opened new windows for treatment of various genetic disorders. Discuss amongst your classmates.

The total number of genes in humans is far less (< 25,000) than the previous estimate (upto 1,40,000 gene). Comment.

Now, sequencing of total genomes getting is getting less expensive day by the day. Soon it may be affordable for a common man to get his genome sequenced. What in your opinion could be the advantage and disadvantage of this development?

Give an account of the methods used in sequencing the human genome.

Human Genome Project (HGP) was a mega project launched in the year 1990 with some important goals.

Enlist any four prime goals of HGP.

Human Genome Project (HGP) was a mega project launched in the year 1990 with some important goals.

Name any one common non-human animal model organism which has also been sequenced thereafter.