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