Advertisements
Advertisements
प्रश्न
The total number of genes in humans is far less (< 25,000) than the previous estimate (upto 1,40,000 gene). Comment.
Advertisements
उत्तर
When scientists began estimating the number of human genes, they began with a very high figure. i.e. more than 100,000. At that time. the technology For studying human genes was not sophisticated enough and the estimate was more qualitative in nature as it was mainly based on assumptions. With gradual progress of technology and knowledge about human genes, the estimated number began to come down. The present knowledge tells us that total number of genes in humans is between 20,000 to 25,000.
APPEARS IN
संबंधित प्रश्न
What do ‘Y’ and ‘B’ stand for in ‘YAC’ and ‘BAC’ used in the Human Genome Project (HGP)? Mention their role in the project.
Define ‘genomics’. Give any ‘two’ applications of it.
Write any six salient features of the human genome as drawn from the human genome project.
Give one significant contribution to the following scientists:
Sanger
In which of the following year the Human Genome Project (HGP) was initiated?
The human chromosome with the highest and least number of genes in them are respectively ______.
Which was the last human chromosome to be completely sequenced?
Haemophilia is more common in males because it is a ____________.
A colourblind girl is rare because she will be born only when ______.
A colourblind mother and normal father would have ______.
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?
What are VNTRs?
Name the gas released and the process responsible for puffing up of the bread dough when Saccharomyces cerevisiae is added to it.
In what year was the Human Genome Project launched, and in what year was it completed?
Which two major U.S. organizations coordinated the Human Genome Project?
How many base pairs does the human genome contain?
What vectors were used for cloning and maintaining DNA fragments in the Human Genome Project?
What percentage of DNA sequence is identical among all humans?
Which of the following is NOT a goal of the Human Genome Project?
