45 results found

Search Results for: genomic

Genomic imprinting

Definition noun A phenomenon in which the phenotype of the offspring depends on the source of the chromosome containing the... Read More

Genomic dna

Genomic dna (Science: molecular biology) The dna which is found in the organisms genome and is passed on to offspring as... Read More

Imprinting

What does imprinting mean? Have you watched the TV cartoon show “Tom and Jerry” with an episode of a duck and its... Read More

Genome

Genome Definition What is a genome? As defined in biology, a genome is a complete set of deoxyribonucleic acid (DNA) within... Read More

Allotetraploid

Allotetraploid Definition An allotetraploid is an organism with four sets of chromosomes (4n). This is in contrast to the... Read More

Base-pairing rule

Base-pairing Rules Definition The base-pairing rules are rules that apply during the pairing between one purine and one... Read More

Phylogeny

Phylogeny refers to the evolutionary history of the development of a species or of a taxonomic group of organisms. The... Read More

Extranuclear inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... Read More

Allopatric speciation

We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More

Non-Mendelian inheritance

Definition noun (genetics) A type of biological inheritance wherein the patterns of phenotypes do not accord with those as... Read More

Infectious heredity

Definition noun A non-Mendelian inheritance in which an infectious particle within the cell of the host may bring changes in... Read More

Gene conversion

Definition noun A nonreciprocal gene transfer in which an allele converts the other allele into the same form as its self,... Read More

Trinucleotide repeat disorder

Definition noun, plural: trinucleotide repeat disorders Any of a set of genetic disorders caused by trinucleotide repeats... Read More

Zoology

Zoology Definition Zoology is an ever-evolving branch of Biology dealing with the members of the Kingdom Animalia. It... Read More

Extracellular inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... Read More

Cytogenetics

Definition noun The branch of genetics that is concerned primarily in cellular components, especially chromosomes, in... Read More

Facultative heterochromatin

Definition noun Heterochromatin that may lose its condensed state and becomes genetically active Supplement Heterochromatin... Read More

Binary fission

Binary Fission Definition What is binary fission? In biology, binary fission is a type of asexual reproduction where a... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Genetic variability

Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More

Red algae

Red Algae Definition The red algae belong to the phylum Rhodophyta, which literally was derived from the Greek word... Read More

Nucleosome

Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More

Repetitive DNA

Definition noun (molecular biology) Repetitive nucleotide sequences in the DNA throughout the genome Supplement The... Read More

Polygenic trait

Polygenic Trait Definition Polygenic trait refers to a trait that is controlled by multiple non-allelic genes. These genes... Read More

Prokaryotic Ancestor of Mitochondria: on the hunt

The alphaproteobacteria have been widely cited as the closest relative-- and possibly the prokaryotic ancestor -- of the... Read More

Kelp

The swaying and winding of kelp in the ocean currents has an entrancing, hypnotic quality that would be the envy of the... Read More

Steroid hormone

Definition noun, plural: steroid hormones A type of steroid that acts as a hormone, and that which is exemplified by sex... Read More

Chlorophyta

Chlorophyta Definition Chlorophyta is a taxonomic group (a phylum) comprised of green algae that live in marine habitats.... Read More

Multipolar mitosis

Multipolar mitosis Abberant mitotic figures, where the chromosomal material is pulled to more than two poles. Multipolarity... Read More

Vestigial

Vestigial (organ) is a degenerate organ or structure or physical attribute that has little to no function in the species but... Read More

Evolution

Evolution Definition Evolution is defined as a change in the genetic composition of a population over successive... Read More

Group translocation

Group Translocation Definition Just like your “home” is a private place where you and your comfort are maintained due... Read More

Y chromosome

Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

Mosaicism

Cells often go through many divisions before they become a part of an organism’s genetic make-up. This leaves room for... Read More

Metaphase

Metaphase Definition Metaphase is the third phase of mitosis after prophase and before anaphase. Mitosis is the process by... Read More

Branches of biology

What is a Branch of Biology? A branch of biology is a specialized field or a sub-discipline in a much broader field of... Read More

Telophase

Telophase is the stage of cell division characterized by the decondensation of chromosomes, and the nuclear envelope... Read More

Centromere

Centromere Definition Centromere is defined as the point of attachment for the sister chromatids generated after DNA... Read More

Green algae

Green Algae Definition Green algae (singular: green alga) are photosynthetic algae that are characterized by having... Read More