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Punnett Squares And Pedigrees
Test Description: Lesson 5 Practice Quiz
Instructions: Answer all questions to get your test result.
1) Who is the father of genetics?
A
Chris Karamis (seriously?)
B
Gregor Mendel
C
Charles Darwin
D
Brad O'Donnell
2) Which genotype below is homozygous recessive?
A
BB
B
B
C
bb
D
Bb
3) Which statement below is TRUE?
A
A genotype is the physical trait of an organism.
B
Organisms can have the same genotype but different phenotype.
C
Organisms can have the same phenotype and a different genotype.
D
Phenotypes are always different for brothers and sisters.
4) Which of the following is a sex linked disorder?
A
Eye Color
B
Colorblindness
C
Height
D
Hair Color
5) How many offspring will be homozygous recessive in a cross between two heterozygous parents?
A
50%
B
75%
C
0%
D
25%
6) What is your science teacher's name?
A
Mr. O'Donald
B
Mr. O'Donnel
C
Mr. O'Donell
D
Mr. O'Donnell
7) What type of genotype does a CARRIER have?
A
Homozygous Dominant
B
Heterozygous
C
Homozygous Recessive
D
Heterozygous Dominant
8) Which type of dominance allows both of the parents' traits to be visible in offspring?
A
Incomplete Dominance
B
World Domination
C
Codominance
D
Complete Dominance
9) What percentage of the offspring will have a recessive trait from two recessive parents?
A
75%
B
100%
C
0%
D
50%
10) Which of the parents below would produce offspring that can not have a recessive trait?
A
dd x dd
B
Dd x dd
C
dd x dd
D
DD x Dd
*select an answer for all questions
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