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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
Brad O'Donnell
B
Chris Karamis (seriously?)
C
Gregor Mendel
D
Charles Darwin
2) Which genotype below is homozygous recessive?
A
B
B
Bb
C
BB
D
bb
3) Which statement below is TRUE?
A
Organisms can have the same genotype but different phenotype.
B
Organisms can have the same phenotype and a different genotype.
C
A genotype is the physical trait of an organism.
D
Phenotypes are always different for brothers and sisters.
4) Which of the following is a sex linked disorder?
A
Height
B
Eye Color
C
Colorblindness
D
Hair Color
5) How many offspring will be homozygous recessive in a cross between two heterozygous parents?
A
25%
B
75%
C
50%
D
0%
6) What is your science teacher's name?
A
Mr. O'Donald
B
Mr. O'Donnell
C
Mr. O'Donnel
D
Mr. O'Donell
7) What type of genotype does a CARRIER have?
A
Heterozygous Dominant
B
Homozygous Recessive
C
Heterozygous
D
Homozygous Dominant
8) Which type of dominance allows both of the parents' traits to be visible in offspring?
A
Incomplete Dominance
B
Codominance
C
Complete Dominance
D
World Domination
9) What percentage of the offspring will have a recessive trait from two recessive parents?
A
0%
B
75%
C
100%
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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