Transmission of genes governing various characters from parents to offspring is called as
A) Polygenic inheritance
B) Oligogenic inheritance
C) Inheritance
D) Both (i) and (ii)
The mode of inheritance of qualitative character is called as
A) Polygenic inheritance
B) Oligogenic inheritance
C) Inheritance
D) Both (i) and (ii)
The mode of inheritance of quantitative character is called as
A) Polygenic inheritance
B) Oligogenic inheritance
C) Inheritance
D) Both (i) and (ii)
Choose the incorrect statement
A) Mendel proposed the law of inheritance based on qualitative characters
B) Inheritance pattern of both qualitative and quantitative characters follows Mendel's laws of inheritance but differ in both magnitude and mode of action
C) Number of genes involved in the control of quantitative traits can be estimated by two methods: Castle-Wright segregation index and inbred-backcross and genotype assay method
D) All of these
The allele that expresses itself (i.e., produces the character governed by it) in the heterozygous state is known as dominant, while the allele that is unable to do so is called recessive; this phenomenon is known as
A) Segregation
B) Dominance
C) Uniform expressivity
C) Variable expressivity
When the heterozygote is comparable to one of the homozygotes, it is called as
A) Partial or incomplete dominance
B) Co-dominance
c) Complete dominance
D) Over-dominance
When the heterozygote is intermediate between the two homozygotes, it is called as
A) Partial or incomplete dominance
B) Co-dominance
C) Complete dominance
D) Over-dominance
Which of the following does not contain DNA?
A) Golgi body
B) Mitochondria
C) Chloroplasts
D) Nucleus
Which of the following is the main function of chloroplasts?
A) Protein synthesis
B) Respiration
C) Photosynthesis
D) Glycolysis
Packaging of food material is associated with
A) Chloroplasts
B) Golgi bodies
C) Ribosomes
D) Lysosomes
Basic chromosome number is denoted by
A) x
B) n
C) 2n
D) 2n
Which of the following can cause pseudo-dominance?
A) Deletion
B) Duplication
C) Translocation
D) Inversion
Nulli-somics are represented by which of the following?
A) 2n - 2
B) 2n - 1 - 1
C) 2n - 1 + 1
D) 2n + 2
How many somatic chromosomes are present in maize?
A) 10
B) 20
C) 30
D) 40

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