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Match Each of the Following Terms with Its Correct Definition

Question 75

Matching

Match each of the following terms with its correct definition.

Premises:

Responses:

epistasis

An F₁ heterozygote (for a single trait)

The physical traits of an organism

The allele that is expressed only if two identical copies are present

The result of a cross between two first-generation organisms

True-breeding plants used in an initial cross

Any organism with 2 identical alleles of a gene

When one allele masks the effect of another

The genetic makeup of an organism

The likelihood of something occurring as a matter of chance

When different genes contribute to a particular phenotype

When alleles at one locus mask the expression of alleles at a different locus

An organism that is heterozygous for two different traits

When one allele cannot completely mask the effects of another allele

When displayed traits are unchanged over multiple generations

The first generation of offspring from the cross of two true-breeding parents

When a single allele has multiple phenotypic effects

Where an allele is found on a chromosome

Any organism with 2 different alleles of a gene

Premises:

epistasis

Responses:

An F₁ heterozygote (for a single trait)

The physical traits of an organism

The allele that is expressed only if two identical copies are present

The result of a cross between two first-generation organisms

True-breeding plants used in an initial cross

Any organism with 2 identical alleles of a gene

When one allele masks the effect of another

The genetic makeup of an organism

The likelihood of something occurring as a matter of chance

When different genes contribute to a particular phenotype

When alleles at one locus mask the expression of alleles at a different locus

An organism that is heterozygous for two different traits

When one allele cannot completely mask the effects of another allele

When displayed traits are unchanged over multiple generations

The first generation of offspring from the cross of two true-breeding parents

When a single allele has multiple phenotypic effects

Where an allele is found on a chromosome

Any organism with 2 different alleles of a gene

Correct Answer:

Premises:

Responses:

An F₁ heterozygote (for a single trait)

The physical traits of an organism

The allele that is expressed only if two identical copies are present

The result of a cross between two first-generation organisms

True-breeding plants used in an initial cross

Any organism with 2 identical alleles of a gene

When one allele masks the effect of another

The genetic makeup of an organism

The likelihood of something occurring as a matter of chance

When different genes contribute to a particular phenotype

When alleles at one locus mask the expression of alleles at a different locus

An organism that is heterozygous for two different traits

When one allele cannot completely mask the effects of another allele

When displayed traits are unchanged over multiple generations

The first generation of offspring from the cross of two true-breeding parents

When a single allele has multiple phenotypic effects

Where an allele is found on a chromosome

Any organism with 2 different alleles of a gene