Filters
Question type
Premises
probability
Responses
The allele that is expressed only if two identical copies are present
The likelihood of something occurring as a matter of chance
When a single allele has multiple phenotypic effects
An F1 heterozygote (for a single trait)
Any organism with 2 identical alleles of a gene
The physical traits of an organism
True-breeding plants used in an initial cross
When one allele masks the effect of another
When alleles at one locus mask the expression of alleles at a different locus
When displayed traits are unchanged over multiple generations
The first generation of offspring from the cross of two true-breeding parents
When different genes contribute to a particular phenotype
Any organism with 2 different alleles of a gene
Where an allele is found on a chromosome
An organism that is heterozygous for two different traits
The genetic makeup of an organism
When one allele cannot completely mask the effects of another allele
The result of a cross between two first-generation organisms
Correct Answer
Premises
Responses
probability
The likelihood of something occurring as a matter of chance
Premises
probability
Responses
The likelihood of something occurring as a matter of chance
A) 1/4
B) 1/2
C) 3/4
D) 1
E) 0
Correct Answer
verified
Correct Answer
verified
Correct Answer
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Mendel applied both the scientific metho...View Answer
Correct Answer
verified
Mendel applied both the scientific metho...
View Answer
A) 10
B) 20
C) 25
D) 30
E) 50
Correct Answer
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C
Correct Answer
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C
A) A dihybrid cross; a monohybrid cross
B) Epistasis; polygenic inheritance
C) A testcross; cross-pollination
D) Self-pollination; cross-pollination
E) A dihybrid cross; self-pollination
Correct Answer
verified
Correct Answer
verified
Premises
P generation
Responses
The result of a cross between two first-generation organisms
The first generation of offspring from the cross of two true-breeding parents
The physical traits of an organism
Any organism with 2 different alleles of a gene
When different genes contribute to a particular phenotype
The genetic makeup of an organism
True-breeding plants used in an initial cross
The allele that is expressed only if two identical copies are present
An organism that is heterozygous for two different traits
When alleles at one locus mask the expression of alleles at a different locus
When a single allele has multiple phenotypic effects
Where an allele is found on a chromosome
An F1 heterozygote (for a single trait)
When displayed traits are unchanged over multiple generations
When one allele masks the effect of another
Any organism with 2 identical alleles of a gene
When one allele cannot completely mask the effects of another allele
The likelihood of something occurring as a matter of chance
Correct Answer
Premises
Responses
The result of a cross between two first-generation organisms
The first generation of offspring from the cross of two true-breeding parents
The physical traits of an organism
Any organism with 2 different alleles of a gene
When different genes contribute to a particular phenotype
The genetic makeup of an organism
True-breeding plants used in an initial cross
The allele that is expressed only if two identical copies are present
An organism that is heterozygous for two different traits
When alleles at one locus mask the expression of alleles at a different locus
When a single allele has multiple phenotypic effects
Where an allele is found on a chromosome
An F1 heterozygote (for a single trait)
When displayed traits are unchanged over multiple generations
When one allele masks the effect of another
Any organism with 2 identical alleles of a gene
When one allele cannot completely mask the effects of another allele
The likelihood of something occurring as a matter of chance
Premises
The result of a cross between two first-generation organisms
The first generation of offspring from the cross of two true-breeding parents
The physical traits of an organism
Any organism with 2 different alleles of a gene
When different genes contribute to a particular phenotype
The genetic makeup of an organism
True-breeding plants used in an initial cross
The allele that is expressed only if two identical copies are present
An organism that is heterozygous for two different traits
When alleles at one locus mask the expression of alleles at a different locus
When a single allele has multiple phenotypic effects
Where an allele is found on a chromosome
An F1 heterozygote (for a single trait)
When displayed traits are unchanged over multiple generations
When one allele masks the effect of another
Any organism with 2 identical alleles of a gene
When one allele cannot completely mask the effects of another allele
The likelihood of something occurring as a matter of chance
Responses
Premises
phenotype
Responses
The physical traits of an organism
When alleles at one locus mask the expression of alleles at a different locus
The genetic makeup of an organism
True-breeding plants used in an initial cross
When displayed traits are unchanged over multiple generations
The likelihood of something occurring as a matter of chance
When a single allele has multiple phenotypic effects
The allele that is expressed only if two identical copies are present
Where an allele is found on a chromosome
An F1 heterozygote (for a single trait)
The result of a cross between two first-generation organisms
When different genes contribute to a particular phenotype
Any organism with 2 identical alleles of a gene
Any organism with 2 different alleles of a gene
The first generation of offspring from the cross of two true-breeding parents
When one allele cannot completely mask the effects of another allele
When one allele masks the effect of another
An organism that is heterozygous for two different traits
Correct Answer
Premises
Responses
The physical traits of an organism
When alleles at one locus mask the expression of alleles at a different locus
The genetic makeup of an organism
True-breeding plants used in an initial cross
When displayed traits are unchanged over multiple generations
The likelihood of something occurring as a matter of chance
When a single allele has multiple phenotypic effects
The allele that is expressed only if two identical copies are present
Where an allele is found on a chromosome
An F1 heterozygote (for a single trait)
The result of a cross between two first-generation organisms
When different genes contribute to a particular phenotype
Any organism with 2 identical alleles of a gene
Any organism with 2 different alleles of a gene
The first generation of offspring from the cross of two true-breeding parents
When one allele cannot completely mask the effects of another allele
When one allele masks the effect of another
An organism that is heterozygous for two different traits
Premises
The physical traits of an organism
When alleles at one locus mask the expression of alleles at a different locus
The genetic makeup of an organism
True-breeding plants used in an initial cross
When displayed traits are unchanged over multiple generations
The likelihood of something occurring as a matter of chance
When a single allele has multiple phenotypic effects
The allele that is expressed only if two identical copies are present
Where an allele is found on a chromosome
An F1 heterozygote (for a single trait)
The result of a cross between two first-generation organisms
When different genes contribute to a particular phenotype
Any organism with 2 identical alleles of a gene
Any organism with 2 different alleles of a gene
The first generation of offspring from the cross of two true-breeding parents
When one allele cannot completely mask the effects of another allele
When one allele masks the effect of another
An organism that is heterozygous for two different traits
Responses
Premises
Labrador retrievers fur color (black, chocolate brown, yellow)
Responses
incomplete dominance
polygenic inheritance
epistasis
codominance
dominance
Correct Answer
Premises
Responses
incomplete dominance
polygenic inheritance
epistasis
codominance
dominance
Premises
incomplete dominance
polygenic inheritance
epistasis
codominance
dominance
Responses
Premises
dominance
Responses
The result of a cross between two first-generation organisms
Any organism with 2 different alleles of a gene
When alleles at one locus mask the expression of alleles at a different locus
When one allele cannot completely mask the effects of another allele
When different genes contribute to a particular phenotype
When a single allele has multiple phenotypic effects
True-breeding plants used in an initial cross
Any organism with 2 identical alleles of a gene
Where an allele is found on a chromosome
The allele that is expressed only if two identical copies are present
The genetic makeup of an organism
The physical traits of an organism
When one allele masks the effect of another
The first generation of offspring from the cross of two true-breeding parents
The likelihood of something occurring as a matter of chance
An F1 heterozygote (for a single trait)
An organism that is heterozygous for two different traits
When displayed traits are unchanged over multiple generations
Correct Answer
Premises
Responses
The result of a cross between two first-generation organisms
Any organism with 2 different alleles of a gene
When alleles at one locus mask the expression of alleles at a different locus
When one allele cannot completely mask the effects of another allele
When different genes contribute to a particular phenotype
When a single allele has multiple phenotypic effects
True-breeding plants used in an initial cross
Any organism with 2 identical alleles of a gene
Where an allele is found on a chromosome
The allele that is expressed only if two identical copies are present
The genetic makeup of an organism
The physical traits of an organism
When one allele masks the effect of another
The first generation of offspring from the cross of two true-breeding parents
The likelihood of something occurring as a matter of chance
An F1 heterozygote (for a single trait)
An organism that is heterozygous for two different traits
When displayed traits are unchanged over multiple generations
Premises
The result of a cross between two first-generation organisms
Any organism with 2 different alleles of a gene
When alleles at one locus mask the expression of alleles at a different locus
When one allele cannot completely mask the effects of another allele
When different genes contribute to a particular phenotype
When a single allele has multiple phenotypic effects
True-breeding plants used in an initial cross
Any organism with 2 identical alleles of a gene
Where an allele is found on a chromosome
The allele that is expressed only if two identical copies are present
The genetic makeup of an organism
The physical traits of an organism
When one allele masks the effect of another
The first generation of offspring from the cross of two true-breeding parents
The likelihood of something occurring as a matter of chance
An F1 heterozygote (for a single trait)
An organism that is heterozygous for two different traits
When displayed traits are unchanged over multiple generations
Responses
A) determine if a parent with a dominant trait is heterozygous or homozygous
B) determine which allele is dominant
C) determine if the progeny of an experimental cross will have a random assortment of alleles
D) prove an organism is true-breeding
E) cross an individual with a dominant phenotype with a homozygous dominant individual to prove the alleles are dominant
Correct Answer
verified
Correct Answer
verified
Premises
F 1 generation
Responses
The first generation of offspring from the cross of two true-breeding parents
Any organism with 2 different alleles of a gene
An organism that is heterozygous for two different traits
The likelihood of something occurring as a matter of chance
When displayed traits are unchanged over multiple generations
When different genes contribute to a particular phenotype
When one allele masks the effect of another
The allele that is expressed only if two identical copies are present
When one allele cannot completely mask the effects of another allele
The result of a cross between two first-generation organisms
An F1 heterozygote (for a single trait)
True-breeding plants used in an initial cross
The physical traits of an organism
The genetic makeup of an organism
When a single allele has multiple phenotypic effects
Where an allele is found on a chromosome
Any organism with 2 identical alleles of a gene
When alleles at one locus mask the expression of alleles at a different locus
Correct Answer
Premises
Responses
The first generation of offspring from the cross of two true-breeding parents
Any organism with 2 different alleles of a gene
An organism that is heterozygous for two different traits
The likelihood of something occurring as a matter of chance
When displayed traits are unchanged over multiple generations
When different genes contribute to a particular phenotype
When one allele masks the effect of another
The allele that is expressed only if two identical copies are present
When one allele cannot completely mask the effects of another allele
The result of a cross between two first-generation organisms
An F1 heterozygote (for a single trait)
True-breeding plants used in an initial cross
The physical traits of an organism
The genetic makeup of an organism
When a single allele has multiple phenotypic effects
Where an allele is found on a chromosome
Any organism with 2 identical alleles of a gene
When alleles at one locus mask the expression of alleles at a different locus
Premises
The first generation of offspring from the cross of two true-breeding parents
Any organism with 2 different alleles of a gene
An organism that is heterozygous for two different traits
The likelihood of something occurring as a matter of chance
When displayed traits are unchanged over multiple generations
When different genes contribute to a particular phenotype
When one allele masks the effect of another
The allele that is expressed only if two identical copies are present
When one allele cannot completely mask the effects of another allele
The result of a cross between two first-generation organisms
An F1 heterozygote (for a single trait)
True-breeding plants used in an initial cross
The physical traits of an organism
The genetic makeup of an organism
When a single allele has multiple phenotypic effects
Where an allele is found on a chromosome
Any organism with 2 identical alleles of a gene
When alleles at one locus mask the expression of alleles at a different locus
Responses
A) RrMM * Rrmm
B) RRMM * rrmm
C) Rr * Rr
D) rr * RR
E) Rr * rr
Correct Answer
verified
Correct Answer
verified
A) type O only
B) type AB only
C) type A only
D) types A and B, not O
E) types A and AB
Correct Answer
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Correct Answer
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A) 0
B) 1/4
C) 1/2
D) 3/4
E) 1
Correct Answer
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Correct Answer
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A) 1/16
B) 3/8
C) 1/8
D) 9/16
E) 0
Correct Answer
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Correct Answer
verified
A) Segregation
B) Independent Assortment
C) Punnett Squares
D) Chromosome Theory
E) Segregation and Independent Assortment
Correct Answer
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Correct Answer
verified
A) dominance
B) incomplete dominance
C) epistasis
D) pleiotropy
E) polygenic inheritance
Correct Answer
verified
Correct Answer
verified
A) RrMM * Rrmm
B) RRMM * rrmm
C) RrMm * RrMm
D) rrMM * RRmm
E) RrMm * rrmm
Correct Answer
verified
C
Correct Answer
verified
C
A) Cross plants having round peas with plants having wrinkled peas. Select round pea plants from the progeny because they are now true-breeding.
B) Cross plants having round peas with other plants having round peas. Do this for multiple generations.
C) Cross plants having round peas with plants having wrinkled peas. Select round pea plants from the progeny and do a testcross to determine which parental plants were homozygous dominant.
D) Cross plants having round peas with plants having wrinkled peas. This will tell you which round pea plants are homozygous dominant and are thus true-breeding.
E) It's not possible. You can only get true-breeding plants that have wrinkled peas.
Correct Answer
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Correct Answer
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A) 1/4
B) 1/2
C) 3/4
D) 1
E) 0
Correct Answer
verified
Correct Answer
verified
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