Polygenic inheritance
Test Your Knowledge on Polygenic Inheritance
Dive into the fascinating world of genetics with our quiz on polygenic inheritance! This quiz consists of 10 carefully crafted questions designed to test your understanding of how multiple genes influence traits in living organisms.
Key Features:
- Multiple-choice questions
- Engaging format for all levels of learners
- Instant feedback on your answers
1.What are polygenes
a) genes involved in quantitative inheritance
b) genes involved in qualitative inheritance
c) genes involved in multiple allelism
d)Multiple genes for a single trait
A
B
C
D
2. Polygenic inheritance is
a) many genes govern a single character
b)a single gene influences many characters
c)both a and b
d)none of these
A
B
C
D
3.In humans the color of skin is controlled by
a)lethal genes
b)Multiple alleles
c)polygenic effect
d)none of these
A
B
C
D
4.on how many loci the genes responsible for skin color are present
a)2
b)3
c)4
d)5
A
B
C
D
5. In a cross between red kernelled and white kernelled varieties of wheat showing polygenic inheritance the phenotypic ratio of f2 generation will be
a)1:6:15:20:15:6:1
b)1:4:6:4:1
c)1:2:1
d)2:1
A
B
C
D
6.Functional unit of inheritance is
a)cistron
b)chromosome
c)gene
d)intron
A
B
C
D
7.How many independent pairs of alleles are involved in expression of kernel color of wheat
a)3
b)5
c)4
d)none
A
B
C
D
8 .Which of the following is not an example of quantitative trait
a)cob length in maize
b)height in humans
c)human intelligence
d)blood group in humans
A
B
C
D
9.In a plant flower color is example of quantitative trait and is controlled by one gene pair
How many plants show parental phenotypes in f2 generation
a)2/16
b)2/4
c)2/64
d)2/256
A
B
C
D
10.Match the following
a)J.kolreuter 1.Height and intelligence in humans
b)F.Galton 2.Kernel color of wheat
c)Nilsson.Ehle 3.height in tobacco
1. a~3, b~1, c~2
2. a~1, b~3, c~2
3. a~2, b~1, c~3
1
2
3
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