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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
codominant
B
recessive
C
dominant
D
partial recessive
2) A _______________ allele is masked, or covered up, whenever the dominant allele is present.
A
partial dominant
B
dominant
C
codominant
D
recessive
3) _____________ means to have a dominant and a recessive allele in its genotype.
A
Hybrid
B
Mutation
C
Purebred
D
Phenotype
4) _____________ is the likelihood that a particular event will occur.
A
Rule of Dominance
B
Probability
C
Murphy's Law
D
Statistics
5) A _____________ is a chart that shows all the possible combinations of alleles that can result from a genetic cross.
A
Pie chart
B
Punnett Square
C
Line graph
D
Bar graph
6) An organism's _________is its physical appearance, or visible traits.
A
genotype
B
phenotype
C
pedigree
D
purebred
7) What are chromosomes made of?
A
inherited characteristics
B
protein and DNA
C
cells and cell structures
D
generations
8) What is the name of the material that determines inherited characteristics?
A
deoxyribonucleic acid
B
phosphates
C
amino acid
D
tripleoxyribonucleic acid
9) What three things is a nucleotide in DNA made of?
A
sugar + phosphate + base (A, C, T, G)
B
sugar + phosphate + amino acid
C
sugar + ribosome + base (A, C, T, G)
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
thymine
B
guanine
C
cytosine
D
protein
*select an answer for all questions
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