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Genetics Vocabulary #2
Test Description: Basic genetics vocabulary - part 2.
Instructions: Answer all questions to get your test result.
1) A __________ allele is one whose trait always shows up in the organisms with the allele is present either once or twice. (Example- Aa or AA)
A
recessive
B
codominant
C
partial recessive
D
dominant
2) A _______________ allele is masked, or covered up, whenever the dominant allele is present.
A
codominant
B
dominant
C
partial dominant
D
recessive
3) _____________ means to have a dominant and a recessive allele in its genotype.
A
Mutation
B
Hybrid
C
Phenotype
D
Purebred
4) _____________ is the likelihood that a particular event will occur.
A
Murphy's Law
B
Statistics
C
Probability
D
Rule of Dominance
5) A _____________ is a chart that shows all the possible combinations of alleles that can result from a genetic cross.
A
Pie chart
B
Line graph
C
Bar graph
D
Punnett Square
6) An organism's _________is its physical appearance, or visible traits.
A
pedigree
B
phenotype
C
genotype
D
purebred
7) What are chromosomes made of?
A
protein and DNA
B
inherited characteristics
C
generations
D
cells and cell structures
8) What is the name of the material that determines inherited characteristics?
A
amino acid
B
deoxyribonucleic acid
C
phosphates
D
tripleoxyribonucleic acid
9) What three things is a nucleotide in DNA made of?
A
sugar + ribosome + base (A, C, T, G)
B
sugar + phosphate + base (A, C, T, G)
C
sugar + phosphate + amino acid
D
sugar + amino acid + base (A, C, T, G)
10) According to Chargaff's Rules, the amount of adenine always equals the amount of ___________ in a DNA molecule.
A
protein
B
thymine
C
cytosine
D
guanine
*select an answer for all questions
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