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Genetics Review
Test Description: Genetics review
Instructions: Answer all questions to get your test result.
1) an example of a purebred gene is...
A
BB and bb
B
BB
C
bb
D
Bb
2) An example of a hybrid gene is...
A
bb
B
RR
C
Bb
D
BB
3) __________ did an experiment with pea plants to show the existence of dominant and recessive genes
A
Greg Merrell
B
Gregory Mencin
C
Gregor Mencia
D
Gregor Mendel
4) an organisms physical appearance is its ___________
A
genotype
B
homozygous
C
phenotype
D
codominance
5) an organisms allele combonations or genetic makeup is its _________
A
codominance
B
genotype
C
phenotype
D
homozygous gene
6) when the alleles are not dominant or recessive they are __________
A
homozygous
B
codominant
C
heterozygous
D
phenotype
7) During _________ a cell produces sex cells with half the number of chromosomes
A
codominance
B
Meiosis
C
fertilization
D
Mitosis
8) _______ is an example of a homozygous dominant gene
A
Rr
B
RR
C
rr
D
Tt
9) ____ is an example of a heterozygous gene
A
Hh
B
hh
C
HH
D
BB
10) _______ is an example of a homozygous recessive gene
A
gg
B
Gg
C
GG
D
Rr
*select an answer for all questions
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