Genetics Quiz

What is a gene?

• A type of protein molecule

• A segment of DNA that determines traits of an individual

• A structure found within the cell nucleus

• A method of genetic inheritance

What does genetics study?

• The structure of DNA molecules

• The process of cell division

• The study of genes and how they are inherited and expressed

• The types of proteins within a cell

What is a chromosome?

• A single strand of DNA

• A type of gene

• A cell membrane component

• Long strands of DNA intertwined with protein molecules

What does DNA stand for?

• Deoxyribonucleic acid

• Dioxynucleic acid

• Deoxynucleic acid

• Ribonucleic acid

What is the function of DNA?

• Converts genetic instructions from RNA into proteins

• Stores genetic information

• Transmits electrical signals

• Produces energy for cellular processes

What does RNA stand for?

• Ribonucleic acid

• Ribonucleotide acid

• Riboxynucleic acid

• Deoxyribonucleic acid

What is the primary function of RNA?

• Stores genetic information

• Converts genetic instructions from DNA into proteins

• Produces energy for cellular processes

• Transmits electrical signals

What does it mean if an organism is homozygous for a gene?

• It has two different forms or alleles of a gene.

• It has one form or allele of a gene.

• It has two identical forms or alleles of a gene.

• It has no forms or alleles of a gene.

What does heterozygous mean in the context of genetics?

• Having one identical form of a gene.

• Having two identical forms or alleles of a gene.

• Having two different forms or alleles of a gene.

• Lacking alleles for a gene.

What is a dominant allele?

• An allele for a gene that cannot express its characteristics over the gene with which it is paired

• An allele for a gene that expresses its characteristics over the characteristics of the gene with which it is paired

• An allele that is always present in every gene

• An allele that is not affected by other alleles