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Genetic Vocabulary
Test Description: Basic vocabulary for a beginner genetics unit
Instructions: Answer all questions to get your test result.
1) The allele combination such as Hh or HH is known as a-
A
Heredity
B
Genotype
C
Pedigree
D
Phenotype
2) Blue eyes is a physical characteristic and is known as a-
A
Genotype
B
Alleles
C
Heterozygous
D
Phenotype
3) Nn is an example of a _______________ genotype.
A
Homozygous recessive
B
Hemizygous
C
Heterozygous
D
Homozygous dominant
4) GG is an example of a _______________ genotype.
A
Heterozygous
B
Homozygous recessive
C
Homozygous dominant
D
Hemizygous
5) rr is an example of a _______________ genotype.
A
Heterozygous
B
Homozygous recessive
C
Homozygous dominant
D
Hemizygous
6) An allele combination composed of a capital letter and a lowercase letter is known as-
A
Hemizygous
B
Homozygous recessive
C
Heterozygous
D
Homozygous dominant
7) An allele combination composed of 2 lowercase letters is known as-
A
Homozygous dominant
B
Hemizygous
C
Heterozygous
D
Homozygous recessive
8) Galactosemia is a disorder where humans cannot digest galactose and is a recessive trait. Which genotype below would indicate someone who is homozygous for the trait and can digest galactose?
A
Aa
B
aa
C
AA and Aa
D
AA
9) Wet earwax is the result of a dominant allele and dry earwax is the result of a recessive allele. What is the genotype of an individual who has wet ear wax and is heterozygous?
A
Ee
B
E
C
EE
D
ee
10) Alternative versions of a gene are known as-
A
chromosomes
B
nucleotides
C
alleles
D
binary fission
11) Albinism is a condition where pigment is lacking in the skin making the skin extremely light. Normal skin pigmentation is the dominant trait. What is the genotype with a person with albinism?
A
Aa
B
aa
C
a
D
AA
12) How many alleles does it take to make up a genotype
A
1
B
4
C
3
D
2
13) Which of the following is not a phenotype?
A
None- all of these are referring to genotype
B
Ee
C
ee
D
Homozygous
14) A parent 1 is purple and parent 2 is white. If white is recessive, what could the genotypes of the parents be?
A
Parent 1-EE and Parent 2 Ee
B
Parent 1-Ee and Parent 2-ee
C
Parent 1 ee and Parent 2 EE
D
Parent 1- Ee and Parent 2-EE
15) If a widow's peak is dominant and a straight hairline is recessive, what would the genotype Ww produce?
A
Baldness
B
A straight hairline
C
A widow's peak
D
Half a widow's peak
16) If dimples are dominant, which genotype will not produce dimples?
A
dD
B
DD
C
dd
D
Dd
*select an answer for all questions
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