Genetics and Heredity Vocabulary

What is the combination of alleles that determines an organism's traits?

• Phenotype

• Genotype

• Allele frequency

• Chromosome structure

What is the process by which traits are passed from parents to offspring?

• Inheritance

• Evolution

• Mutation

• Adaptation

What is the term for the passing of traits from parents to offspring?

• Heredity

• Evolution

• Genetics

• Adaptation

What is the molecular instructions for building all living organisms?

• RNA

• Proteins

• DNA

• Lipids

What do we call different forms of a gene?

• Alleles

• Chromosomes

• Genotypes

• Phenotypes

What is the term for an allele that is masked by a dominant allele?

• Dominant allele

• Recessive allele

• Codominant allele

• Incomplete dominant allele

What is the observable physical or biochemical characteristics of an organism?

• Genotype

• Phenotype

• Allele

• Chromosome

What is the genetic makeup of an organism?

• Phenotype

• Genotype

• Allele

• Chromosome

What is the term for the stronger allele that masks the effect of a recessive allele?

• Recessive allele

• Dominant allele

• Codominant allele

• Incomplete dominant allele

What is the term for an organism that has two different alleles for a trait?

• Homozygous

• Heterozygous

• Hemizygous

• Polygenic