Genetics Quiz

What is a "Gene"?

• A chart that shows the inheritance of a trait over several generations.

• The observable physical characteristic shown.

• One specific trait inherited from a parent.

• Different versions of a gene.

What does "Dominant" refer to in genetics?

• Having two identical alleles of a particular gene or genes.

• The observable physical characteristic shown.

• Refers to the relationship between two versions of a gene and is the one that is expressed over the other.

• Different versions of a gene.

What is an "Allele"?

• Different versions of a gene.

• A chart that shows the inheritance of a trait over several generations.

• The observable physical characteristic shown.

• One specific trait inherited from a parent.

Tags

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What is a "Pedigree" in genetics?

• Having two different alleles of a particular gene or genes.

• A chart that shows the inheritance of a trait over several generations.

• The observable physical characteristic shown.

• Different versions of a gene.

Which of the following is an example of a phenotype?

• Brown eyes

• A chart of family traits

• Two identical alleles

• Different versions of a gene

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Which term describes having two different alleles for a gene?

• Homozygous

• Dominant

• Heterozygous

• Pedigree

Which term is used for a trait that is expressed over another?

• Recessive

• Dominant

• Phenotype

• Allele

What does a phenotype represent?

• The genetic makeup of an organism

• The observable physical characteristic

• A chart of family traits

• Different versions of a gene

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Which term refers to the relationship between two versions of a gene where one is masked or hidden compared to the other?

• Codominant

• Recessive

• Genotype

• Trait

What is the coding of DNA represented by two or more letters together called?

• Trait

• Codominant

• Genotype

• Punnett Square

Tags

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