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7th Life Science Ch. 4 "Genetics" Test Review Flashcards | StudBud
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7th Life Science Ch. 4 "Genetics" Test Review
7th Life Science Ch. 4 "Genetics" Test Review
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Genetics Heredity Punnett Squares Inheritance Patterns Genetic Drift Natural Selection
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Questions
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Answers
1
An organism's phenotype determines its genotype.
True
False
2
Which term refers to a process where
adaptations for survival
get
passed to a greater number
of offspring?
natural selection
adaptations
heredity
genetic drift
3
Natural selection can only remove genetic information. It cannot add new genetic information.
True
False
4
Which of the following is an example of
incomplete dominance
?
pea pod color
pink snapdragons
roan calf
tall or short pea plant
5
The number of boxes in a Punnett Square tells you exactly how many offspring parents will have and their traits.
False
True
6
Which term refers to an organism that
always produces
offspring with the
same trait
for a specific character?
hybrid
heredity
dominant trait
purebred
7
Which term refers to an inherited trait that
helps an animal survive to reproduce
?
genetic drift
evolution
natural selection
adaptation
8
Which of the following is an example of
multiple alleles
?
hair color or height
pink snapdragons
human blood types
roan calf
9
Which of the following is an
inheritance pattern
in which
more than two alleles
are present in a population?
polygenic inheritance
multiple alleles
codominance
incomplete dominance
10
Which term refers to an
inheritance pattern
in which
traits blend together
?
multiple alleles
incomplete dominance
simple dominance
codominance
11
Which term refers to the
study of how traits are passed
from one generation to the next?
biology
anatomy
genetics
heredity
12
Which term refers to a
characteristic of a species
like size or shape?
trait
genotype
character
allele
13
Which term refers to the
letters that symbolize
an organism's alleles for a certain trait?
heredity
genotype
Punnett Square
phenotype
14
Which term refers to a specific
character
that
appears
in a
hybrid
organism?
simple dominance
recessive trait
dominant trait
purebred
15
Which of the following is an
inheritance pattern
that has only
two alleles
and the
dominant
trait is
always expressed
?
simple dominance
polygenic inheritance
incomplete dominance
codominance
16
Which of the following is an
inheritance pattern
with
two or more genes
controlling a single character?
codominance
multiple alleles
incomplete dominance
polygenic inheritance
17
Which term refers to a natural
process
in which the ratio of
alleles
in a population
changes randomly over time
?
genetic drift
genotype
heredity
natural selection
18
Which of the following is an example of
codominance
?
roan calf
pink snapdragons
hair color or height
tall or short pea plants
19
Which term refers to the
trait
that an organism
expresses
(physical characteristic)?
genotype
allele
phenotype
codominance
20
Genetic drift is best observed and seen with larger populations.
True
False
21
Which term refers to an organism with a
mix of alleles
for a specific trait?
dominant trait
recessive trait
hybrid
purebred
22
Which of the following is an
inheritance pattern
in which
both traits are present and expressed
?
codominance
simple dominance
incomplete dominance
polygenic inheritance
23
Which term refers to a
form of a character
such as tall or short?
genotype
heredity
allele
trait
24
Which of the following is an example of
polygenic inheritance
?
pea pod color
tall or short pea plant
pink snapdragons
hair color or height
25
Which term refers to a
trait
of a specific character
being hidden by the dominant trait
?
heredity
recessive trait
phenotype
genotype
