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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
alleles
C
formulas
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
display the phenotype for the recessive trait
B
carry only alleles for the dominant trait
C
carry both the dominant and recessive trait allele
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
Phenotype, Genotype
B
Genotype, Phenotype
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
BB
C
B
D
bb
7) Brown eye are dominant to blue eyes. What genotype would a heterozygous brown eyed person have?
A
Bb
B
BB
C
bb
D
b
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
50%
B
25%
C
100%
D
75%
10) A Tt plant is crossed with a Tt plant. What percentage of the offspring will be short?
A
25%
B
50%
C
75%
D
0%
*select an answer for all questions
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