Genetics Vocabulary #2: Question Preview (ID: 13104)

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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) dominant
b) recessive
c) codominant
d) partial recessive

A _______________ allele is masked, or covered up, whenever the dominant allele is present.
a) dominant
b) recessive
c) codominant
d) partial dominant

_____________ means to have a dominant and a recessive allele in its genotype.
a) Purebred
b) Mutation
c) Hybrid
d) Phenotype

_____________ is the likelihood that a particular event will occur.
a) Statistics
b) Rule of Dominance
c) Murphy's Law
d) Probability

A _____________ is a chart that shows all the possible combinations of alleles that can result from a genetic cross.
a) Pie chart
b) Bar graph
c) Punnett Square
d) Line graph

An organism's _________is its physical appearance, or visible traits.
a) genotype
b) purebred
c) phenotype
d) pedigree

What are chromosomes made of?
a) protein and DNA
b) cells and cell structures
c) inherited characteristics
d) generations

What is the name of the material that determines inherited characteristics?
a) amino acid
b) deoxyribonucleic acid
c) tripleoxyribonucleic acid
d) phosphates

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 + amino acid + base (A, C, T, G)
d) sugar + ribosome + base (A, C, T, G)

According to Chargaff's Rules, the amount of adenine always equals the amount of ___________ in a DNA molecule.
a) guanine
b) cytosine
c) thymine
d) protein

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