Genetics Quiz

What is a gene?

• A segment of DNA that contains instructions for building one or more molecules that help the body work.

• The complete set of genes or genetic material present in a cell or organism.

• A change in the DNA sequence of a gene.

What does the term 'genome' refer to?

• A nucleic acid that is involved in the synthesis of proteins.

• The observable characteristics or traits of an organism.

• The complete set of genes or genetic material present in a cell or organism.

What is DNA?

• The genetic makeup of an individual.

• The molecule that carries genetic instructions for the development, functioning, growth, and reproduction of all known living organisms.

• A thread-like structure composed of DNA and proteins.

• Different forms of a gene.

What is the role of RNA?

• It carries genetic information.

• It is a change in the DNA sequence of a gene.

• It is involved in the synthesis of proteins based on the genetic information carried by DNA.

• It is the genetic makeup of an individual.

How many pairs of chromosomes do humans have?

• 22 pairs

• 23 pairs

• 24 pairs

• 21 pairs

What is an allele?

• A change in the DNA sequence of a gene.

• The genetic makeup of an individual.

• Different forms of a gene that can occupy the same position on a chromosome.

• The molecule that carries genetic instructions for all known living organisms.

What is a mutation?

• A nucleic acid involved in protein synthesis.

• The complete set of genes in an organism.

• A change in the DNA sequence of a gene.

• The observable characteristics of an organism.

What does 'genotype' mean?

• The observable characteristics or traits of an organism.

• The genetic makeup of an individual, referring to the specific combination of alleles for a given set of genes.

• A segment of DNA that contains instructions for building molecules.

• A thread-like structure composed of DNA and proteins.

What is a phenotype?

• The genetic makeup of an individual.

• The molecule that carries genetic instructions for living organisms.

• The observable characteristics or traits of an organism, resulting from the interaction of its genotype with the environment.

• Different forms of a gene that can occupy the same position on a chromosome.

What is the process of synthesizing RNA from a DNA template called?

• Translation

• Gene Regulation

• Transcription

• Trait