Unusual method of DNA duplication is called:
A.Semiconservative
B.Nonconservative
C.Conservative
D.None of these
Category: Cytogenetics Mcqs
Nucleosomes are the unit of:
A.DNA
B.RNA
C.Proteins
D.Chromosomes
In positive regulation which of these genes are involved:
A.Promotor
B.Regulator
C.Operator
D.None of these
X-rays cause mutations by:
A.Altering the chromosome structure
B.Routing the nuclear membrane
C.Breaking the spindle
D.Dissolving the nucleus
Sutton and Boveri are associated with:
A.Gene theory of inheritance
B.Recapitulation theory
C.Chromosomal theory of inheritance
D.Continuity of germplasm
Promotor gene is stimulated to interact with RNA polymerase on interacting with:
A.CAP – cAMP
B.ATP
C.CMP
D.None of these
Distance between two genes upon a chromosome is measured in cross over units which represent:
A.Ratio of crossing over between them
B.Percentage of crossing between them
C.Number of other gene between them
D.None of these
Nucleosomes are beaded structure on chromosomes and formed of:
A.DNA and histones
B.RNA and histones
C.RNA and proteins
D.None of these
Central dogma of molecular genetics is:
A.DNA – RNA – Proteins
B.RNA – DNA – Proteins
C.Proteins – DNA – RNA
D.None of these
An operon is constituted by:
A.Operator genes
B.Promotor genes
C.Regulator genes
D.All of these
