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Genetics
Test Description: Genetics
Instructions: Answer all questions to get your test result.
1) The letters we use to represent the genotype are called ________.
A
symbols
B
formulas
C
alleles
D
pictograms
2) An flower has the flower color genotype Pp. Would this flower be homozygous or heterozygous?
A
Homozygous
B
Heterozygous
3) A homozygous dominant organism would ____________.
A
carry both the dominant and recessive trait allele
B
display the phenotype for the recessive trait
C
carry only alleles for the dominant trait
D
carry an allele for the recessive trait
4) ____________ refers to the genes that the organism has and ___________ refers to the trait that you see when looking at the organism.
A
Genotype, Phenotype
B
Phenotype, Genotype
5) Brown eye are dominant to blue eyes. What genotype would a homozygous blue eyed person have?
A
Bb
B
B
C
bb
D
BB
6) Brown eye are dominant to blue eyes. What genotype would a homozygous brown eyed person have?
A
Bb
B
B
C
BB
D
bb
7) Brown eye are dominant to blue eyes. What genotype would a heterozygous brown eyed person have?
A
bb
B
b
C
Bb
D
BB
8) If both parents are homozygous recessive for a trait, will any of their children have a chance at receiving the dominant trait?
A
No
B
Yes
9) A TT (tall) plant is crossed with a tt (short) plant. What percentage of the offspring will be tall?
A
75%
B
100%
C
25%
D
50%
10) A Tt plant is crossed with a Tt plant. What percentage of the offspring will be short?
A
75%
B
25%
C
50%
D
0%
*select an answer for all questions
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