Which one of the following is wrongly matched?
Options
(a) Transcription- Writing information from DNA to t-RNA (b) Transcription- Using information in m-RNA to make protein (c) Repressor protein – Binds to operator […]
Transformation was discovered by:
Options
(a) Meseson and stahl (b) Hershey and chase (c) Griffith (d) Waston and crick
Correct Answer:
Griffith
Explanation:
Frederick Griffith (in 1928), a British Medical officer described the […]
Select the correct option Direction of RNA synthesis – Direction of reading of the template DNA strand
Options
(a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) […]
Which one of the following is not applicable to RNA?
Options
(a) 5′ phosphoryl and 3′ hydroxylends (b) Heterocyclic nitrogenous bases (c) Chargaff’s rule (d) Complementary base pairing
Correct Answer:
Chargaff’s rule
Explanation: […]
Which is the most common mechanism of genetic variation in the population of sexually reproducing organism?
Options
(a) Chromosomal aberrations (b) Genetic drift (c) Recombination (d) Transduction
Correct Answer:
Recombination
Explanation:
The most common […]
The wings of a bird and the wings of an insect are :
Options
(a) analogous structures and represent convergent evolution (b) phylogenetic structures and represent divergent evolution (c) homologous structures and represent […]
The term ‘linkage’ was coined by:
Options
(a) T. Boveri (b) G. Mendel (c) W. Sutton (d) T.H. Morgan
Correct Answer:
T.H. Morgan
Explanation:
No explanation available. Be the first to write the […]
The movement of a gene from one linkage group to another is called :
Options
(a) Duplication (b) Translocation (c) Crossing over (d) Inversion
Correct Answer:
Translocation
Explanation:
In translocation, the movement of a […]
The chromosomes in which centromere is situated close to one end are:
Options
(a) Acrocentric (b) Telocentric (c) Sub-metacentric (d) Metacentric
Correct Answer:
Acrocentric
Explanation:
In acrocentric choromosomes, one arm is very short but […]
Multiple alleles are present :
Options
(a) At different loci on the same chromosome (b) At the same locus of the chromosome (c) On non-sister chromatids (d) On different chromosomes
Correct Answer:
At […]
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