Linked Gene: Definition and Example
Linked Genes Definition Linked genes are genes that are likely to be inherited together because they are physically close to one another on the same …
Molecular Biology
Lac Operon
Lac Operon Definition The lac operon, short for lactose operon, is a series of three genes in bacteria that produce the necessary enzymes to obtain …
Intron: Definition, Structure, and Function
Intron Definition An intron is a long stretch of noncoding DNA found between exons (or coding regions) in a gene. Genes that contain introns are …
Genetic Recombination: Definition and Example
Genetic Recombination Definition Genetic recombination occurs when genetic material is exchanged between two different chromosomes or between different regions within the same chromosome. We can …
Gene: Definition and Examples
Definition A gene is an extremely specific sequence of nucleotide monomers that has the ability to completely or partially control the expression of one or …
Gap Junction: Definition, Function, And Example
Gap Junction Definition Gap junctions are a type of cell junction in which adjacent cells are connected through protein channels. These channels connect the cytoplasm …
Frameshift Mutation: Definition, Effect and Example
Frameshift Mutation Definition Frameshift mutations are insertions or deletions in the genome that are not in multiples of three nucleotides. They are a subset of …
Read moreFrameshift Mutation: Definition, Effect and Example
Exon: Definition, Structure, and Function
Exon Definition An exon is a coding region of a gene that contains the information required to encode a protein. In eukaryotes, genes are made …
DNA Double Helix: Definition, Structure, Discovery
Definition Double helix is the term used to describe the shape of our hereditary molecule, DNA. This instantly recognizable structure consists of two strands of …
DNA Sequencing: Definition, Methods, and Example
DNA Sequencing Definition DNA sequencing is the process of determining the sequence of nucleotides within a DNA molecule. Every organism’s DNA consists of a unique …