A morphological, anatomical, physiological, biochemical, or behavioral feature of an organism is called:
A) Character
B) Trait
C) Both (i) and (ii)
D) None of these
Any property of an individual showing heritable variation is known as:
A) Character
B) Trait
C) Both (i) and (ii)
D) None of these
Characters governed by several genes with small individual effects are called:
A) Oligogenes
B) Polygenes
C) Major gene
D) Both (i) and (iii)
Genes that have a small and cumulative effect on the expression of a trait are known as:
A) Oligogenes
B) Polygenes
C) Minor gene
D) Both (ii) and (iii)
Characters governed by one or a few genes with large, easily detectable effects are called:
A) Oligogenes
B) Polygenes
C) Minor gene
D) Both (ii) and (iii)
Genes that have a major effect on the expression of traits are known as:
A) Oligogenes
B) Polygenes
C) Major gene
D) Both (i) and (iii)
Characters produced by polygenes are called:
A) Oligogenic characters
B) Polygenic characters
C) Quasi-quantitative characters
D) Both (ii) and (iii)
Which of the following examples deal with polygenic characters:
A) Days to flower initiation, days to 50% flowering, days to pod initiation, and days to maturity
B) Seed size and yield
C) Seed oil content and protein content
D) All of these
Characters produced by oligogenes are known as:
A) Oligogenic characters
B) Polygenic characters
C) Quasi-quantitative characters
D) Both (ii) and (iii)
Which of the following examples deal with oligogenic characters:
A) Shape of flower
B) Color of flower
C) Color and shape of pollen and stem
D) All of these

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