Genetics Quiz

What is a unit of heredity that is passed from parent to offspring?

• Genetics

• Trait

• Gene

• Allele

What is the study of biological inheritance?

• Genetics

• Trait

• Gene

• Allele

What is the genetic makeup of an organism? ( example: TT, Tt)

• Genotype

• Phenotype

• Dominant allele

• Recessive allele

What are the physical characteristics of an organism?

• Genotype

• Phenotype

• Dominant allele

• Recessive allele

What is an allele that is only expressed in absence of a dominant allele?

• Genotype

• Phenotype

• Dominant allele

• Recessive allele

What is a specific characteristic of an individual?

• Genetics

• Trait

• Gene

• Allele

What does 'Heterozygous' mean?

• Having two identical alleles for a particular gene

• Having two different alleles for a particular gene

What is an allele that is phenotypically expressed over another allele?

• Genotype

• Phenotype

• Dominant allele

• Recessive allele

What is one of different forms of a gene?

• Genetics

• Trait

• Gene

• Allele

What does 'Homozygous' mean?

• Having two identical alleles for a particular gene

• Having two different alleles for a particular gene