Linkage is:
A.Tendency of two genes to remain together during process of inheritance
B.Tendency of two individual to remain together
C.Tendency of two different chromosomes to remain together
D.None of these
Category: Cytogenetics Mcqs
Spacer in chromosomes is associated with:
A.H1
B.H3
C.H2a
D.None of these
Which of these is carrier of genetic information:
A.tRNA
B.DNA
C.mRNA
D.Nucleoproteins
Amount of DNA in all cell of body is:
A.Constant
B.Variable
C.Constant or variable
D.None of these
An individual with two identical members of a pan or genetic factors is called:
A.Heterozygote
B.Homozygote
C.Hybrid
D.None of these
In chromosomes the material controlling heredity is:
A.Histones
B.DNA
C.Chromocentres
D.RNA
Chromosomal theory of linkage was given by:
A.Miescher
B.Mendel
C.Muller
D.Morgan
In test cross between hybrids of F1 generation of gray body long winged and black body vestigial winged parents Morgan found which of these ratios:
A.1:1:1:1
B.25:25:25:25
C.46:37:8:9
D.None of these
In negative regulation which of these gene of operon is involved:
A.Promotor
B.Regulator
C.Operator
D.All of these
Genes are made up:
A.Histones
B.Polynucleotides
C.Hydrocarbons
D.Lipoproteins
