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WorksheetsBIO 30_Exam 3_Lec 11 A
Total questions: 21
Worksheet time: 21mins
Name
Class
Date
1.
How genetic and environmental factors influence the inhertiance and expression of quantitative traits
a)
Quantitative Genetics
b)
Qualitative Genetics
c)
Pseudo-Quasi Genetics
d)
None of the Above
2.
Controlled by 1-2 genes with less environmental influence
a)
Qualitative Characters
b)
Quantitative Characters
c)
Pseudo-Quasi Characters
d)
None of the Above
3.
phenotypic classes are easily recognizable
a)
Qualitative Characters
b)
Quantitative Characters
c)
Pseudo-Quasi Characters
d)
None of the Above
4.
characters are observed by visual inspection (color, pod texture)
a)
Qualitative Characters
b)
Quantitative Characters
c)
Pseudo-Quasi Characters
d)
None of the Above
5.
controlled by many genes with great environmental influence
a)
Qualitative Characters
b)
Quantitative Characters
c)
Pseudo-Quasi Characters
d)
None of the Above
6.
classes are not easily recognizable
a)
Qualitative Characters
b)
Quantitative Characters
c)
Pseudo-Quasi Characters
d)
None of the Above
7.
characters are in measurable units (plant height, leaf shape, weight)
a)
Qualitative Characters
b)
Quantitative Characters
c)
Pseudo-Quasi Characters
d)
None of the Above
8.
Show discontinuous variation (can just be 2 blocks when tabulated)
a)
Qualitative Characters
b)
Quantitative Characters
c)
Pseudo-Quasi Characters
d)
None of the Above
9.
shows continuous variation (may appear as bell shaped or two mounts far from e/o)
a)
Qualitative Characters
b)
Quantitative Characters
c)
Pseudo-Quasi Characters
d)
None of the Above
10.
Yule 1906
a)
continuous variation is due to multiple genes
b)
every gene has a small effect on the character
c)
discontinuous variation is due to multiple gene
d)
studied grain color in wheat
e)
proposed the term polygenes
11.
Herman Nilsson-Ehle
a)
studied grain color in wheat
b)
as the number of independent genes are increased, distribution follows a normal curve
c)
continuous variation is due to multiple genes
d)
proposed the term polygenes
e)
every gene has a small effect on the character
12.
Mather (1943)
a)
studied grain color in wheat
b)
as the number of independent genes are increased, distribution follows a normal curve
c)
continuous variation is due to multiple genes
d)
proposed the term polygenes
e)
every gene has a small effect on the character
13.
group of genes that influence the expression of a quantitative trait in an additive manner
a)
polygenes
b)
polyallelic
c)
multigenes
d)
multiallelic
14.
which are true for metric characters
a)
precisely measurable
b)
continuous manner in a population
c)
easily observed visually
d)
discontinuous manner in a population
15.
which belong to metric characters
a)
anatomical dimension
b)
body weight
c)
height
d)
visual traits
e)
coloration
16.
Which belong to economic characteristics
a)
Grain yield
b)
Seed size
c)
Meat yield
d)
Cattle exposure
e)
Flowering time
17.
Quantitative traits are highly influenced by ____
a)
environmental factors
b)
genetic factors
c)
none of the above
18.
Which of the following are quantitative traits
a)
intelligence
b)
Yield
c)
pod color
d)
seed texture
19.
basic assumptions for polygenic inheritance
a)
genes do not have individually recognizable phenotypic effects
b)
a series of genes control the trait
c)
genes have an obvious recognizable phenotypic effect
d)
only 1-2 genes control the trait
20.
basic assumptions for polygenic inheritance
a)
genes have cumulative effect
b)
Dominance is ordinarily absent
c)
genes have a singularity effect
d)
Dominance is ordinarily persistent
21.
basic assumptions for polygenic inheritance
a)
F1 is intermediate of the parents
b)
there is appreciable influence of th eenvironment
c)
Classification is through measurable units
d)
classification is through visually observable units
e)
F1 follows the dominant parent only
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