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Genetics
Test Description: Ms. Visel's Genetics Review
Instructions: Answer all questions to get your test result.
1) Genetics is the scientific study of
A
Alleles
B
Heredity
C
Traits
D
Pea Plants
2) Heterozygous means
A
Two alleles are the same
B
Two alleles are different
C
Two alleles are dominant
D
Two alleles are recessive
3) A diagram used to predict the outcome of genetic crosses is called
A
Probability square
B
A principle square
C
A punnett square
D
A punnett cube
4) During gamete formation, genes for different traits separate without influencing each other's inheritance. This is called
A
the principle of sex-linked traits
B
the principle recessiveness
C
the principle of independent assortment
D
the principle of dominance
5) Which genotype below is homozygous dominant?
A
RR
B
rr
C
rrYy
D
Rr
6) Which genotype is heterozygous for two traits?
A
TTYy
B
TtYy
C
ttYY
D
Ttyy
7) According to this principle, some alleles are dominant and some alleles are recessive
A
Principle of dominance
B
Principle of recessiveness
C
Principle of probability
D
Principle of independent assortment
8) The genetic makeup of an organism is known as
A
the genotype
B
the traits
C
the phenotype
D
the alleles
9) The physical characteristics of an organism is known as
A
alleles
B
traits
C
the genotype
D
the phenotype
10) The likelihood that a particular event will occur is also known as
A
principle of dominance
B
probability
C
the punnett square
D
the genetic cross
*select an answer for all questions
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