A pair of genes representing the two alternatives of the same character and loca
A pair of genes representing the two alternatives of the same character and located at the same locus in the homologous chromosomes are known…
Which phenomena leads to the variation in
Which phenomena leads to the variation in
Assertion (A) Haemophilia never occurs to women. Reason (R) Gene for haemophilia
Assertion (A) Haemophilia never occurs to women. Reason (R) Gene for haemophilia are found in X-chromosomes.
The lactose (lac) operon of the bacterium E. coli has which of the following str
The lactose (lac) operon of the bacterium E. coli has which of the following structural genes?
The basic requirements for the life to arise include
The basic requirements for the life to arise include
Match List-I (Growth Regulators) with List-II (Functions) and select the correct
Match List-I (Growth Regulators) with List-II (Functions) and select the correct answer: List-I List-II a. Auxin 1. Causes uniform ripening in many fruits b….
For a colourblind person, red colour appear as
For a colourblind person, red colour appear as
Positive control of gene expression can be exercised directly by
Positive control of gene expression can be exercised directly by
Assertion (A) Human beings have 23 pair of chromosomes, one of which is the sex
Assertion (A) Human beings have 23 pair of chromosomes, one of which is the sex chromosomes and the remaining are 22 autosomes. The X-linked…
2X-chromosomes in a diploid organism produce a
2X-chromosomes in a diploid organism produce a
The X-chromosome or the X-body was first observed by
The X-chromosome or the X-body was first observed by
The biological species concept of organisms is based on
The biological species concept of organisms is based on