Genetics and DNA Quiz

Who is known as the father of modern genetics?

• Mendel

• Newton

• Darwin

• Einstein

Answer explanation

Mendel is known as the father of modern genetics for his pioneering work in the study of inheritance and traits in pea plants.

Which of the following DOES NOT describe a recessive trait?

• Only one recessive allele is required for a trait to appear in offspring

• It is only see when two copies of the recessive allele are present

• It is masked by dominant traits

• It must be inherited from both parents in order to be seen in offspring

What is the term for different forms of the same gene (ex. brown eyes vs. blue eyes)?

• Genome

• Chromosome

• Alleles

• Mutations

What type of allele masks or hides the recessive allele?

• Heterozygous

• Dominant

• Homozygous

• Polygenic

How many alleles do we inherit for each gene?

• Four

• Three

• Two

• One

What term describes inheriting the same version of a gene from each parent?

• Hybrid

• Heterozygous

• Homozygous

• Dominant

What is the shape of DNA?

• Cuboid

• Double helix

• Linear

• Circular

What is a function of DNA?

• Provides energy for cells

• Determines traits

• Controls cell division

• Regulates metabolism

What determines the function of a gene (i.e., which protein a gene codes for)?

• The number of chromosomes it is located on

• Its location within a cell

• The number of alleles present

• The order of its bases (A, T, C, G)

What is the process called when DNA makes a copy of itself?

• Mutation

• Translation

• Transcription

• Replication