Biology Polygenic Inheritance Online Exam Quiz
Biology Polygenic Inheritance GK Quiz. Question and Answers related to Biology Polygenic Inheritance. MCQ (Multiple Choice Questions with answers about Biology Polygenic Inheritance
What was the ratio of F2 generation when red and white kernelled variety of wheat were crossed?
Options
A : 1: 2: 1
B : 9: 3: 3: 1
C : 1: 4: 6: 4: 1
D : 3: 1
Which of the following is not an example of quantitative trait?
Options
A : Cob length in maize
B : Height in humans
C : Human intelligence
D : Blood groups in humans
What kinds of traits were described by Mendel?
Options
A : Contrasting traits
B : Alternative forms
C : Mixed forms
D : Opposite and recessive forms
Which of the following scientists demonstrated the quantitative traits in wheat?
Options
A : Ernst Haeckel
B : H. Nilsson-Ehle
C : West
D : Paul Vincent
Which of the following conclusions can be made by studying a histogram?
Options
A : Extreme phenotypes are common
B : Intermediate phenotypes are more frequent
C : Intermediate phenotypes are rare
D : All phenotypes are present in equal amounts
Which of the following is not a phenotypic class of the F2 generation in wheat?
Options
A : Extreme red
B : Deep red
C : Black
D : White
What are polygenes?
Options
A : Genes involved in quantitative inheritance
B : Genes involved in the qualitative inheritance
C : Genes involved in multiple allelism
D : Multiple genes for a single trait
On which of the following factor, the degree of redness of progenies depend?
Options
A : Number of dominant alleles
B : Number of recessive alleles
C : Number of contrasting traits
D : Number of phenotypic characters
On which of the following factors, the amount of melanin produced depends?
Options
A : Number of recessive alleles
B : Number of chromosomes present in an individual
C : Number of dominant genes
D : Number of loci present in DNA
Which two varieties of wheat were crossed by H. Nilsson to study the kernel colour in wheat?
Options
A : Red and black kernelled variety
B : Red and white kernelled variety
C : White and black kernelled variety
D : Black and blue kernelled variety
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