212 results found

Search Results for: pattern

Pattern

pattern 1. Anything proposed for imitation; an archetype; an exemplar; that which is to be, or is worthy to be, copied or... Read More

Kernel Methods for Pattern Analysis

Kernel Methods for Pattern Analysis       ... Read More

Pattern formation

pattern formation (Science: cell biology) One of the classic problems in developmental biology is the way in which complex... Read More

Banding pattern

Definition noun, plural: banding patterns (genetics) The characteristic pattern of light and dark transverse bands on a... Read More

Polygenic inheritance

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More

Quinacrine banding

Definition noun (cytogenetics) A chromosome banding method that treats chromosomes with quinacrine dihydrochloride to reveal... Read More

Botany in a Day: The Patterns Method of Plant Identification

Botany in a Day: The Patterns Method of Plant Identification      ... Read More

Heredity

Reviewed by: Mary Anne Clark, PhD Heredity Definition In biology, heredity refers to the passing of genetic... Read More

Reverse banding

Definition noun (cytogenetics) A chromosome banding method that employs Giemsa staining technique that produces bands... Read More

Giemsa banding

Definition noun (cytogenetics) A chromosome staining technique that employs Giemsa stain in order to produce a... Read More

T-banding

Definition noun (cytogenetics) A modified reverse chromosomal banding technique wherein the telomeres are strongly stained... Read More

Constitutive heterochromatin banding

Definition noun (cytogenetics) A selective banding technique wherein a banding pattern is produced in the constitutive... Read More

Circadian rhythm

Circadian Rhythm Definition A circadian rhythm is an endogenously-driven biological rhythm with a period close to 24... Read More

Pseudodominance

Definition noun (genetics) The manifestation of a recessive trait, mimicking an inheritance of a dominant... 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

Allele

Allele Definition What are alleles? An allele is a term coined to describe a specific copy of a gene. Genes, the DNA... Read More

Fecundity

Fecundity Definition The meaning of fecundity is the reproductive rate (fecundity rate) or the performance of an individual... Read More

Homologous chromosome

A homologous chromosome pertains to one of a pair of chromosomes with the same gene sequence, loci, chromosomal length, and... Read More

Biological clock

Definition noun, plural: biological clocks Any of the various mechanisms that regulate biological rhythms Supplement A... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Mosaic

Definition (general) (1) A pattern consisting of numerous small pieces (or elements) fitted together. (2) Anything that... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Biological rhythm

Definition noun, plural: biological rhythms A synchronized cyclic pattern demonstrated by an organism in response to a... Read More

Floods, Famines, and Emperors: El Nino and the Fate of Civilizations

Floods, Famines, and Emperors: El Nino and the Fate of Civilizations    ... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Nucleolar organizer region banding

Definition noun (cytogenetics) A chromosome banding method that employs silver staining to preferentially stain the... Read More

Blood Vessels Hold Key To Thicker Hair Growth

MGH researchers have succeeded in growing hair faster and thicker in mice, thanks to a protein that promotes blood vessel... Read More

Codominance

Codominance Definition Codominance is a form of inheritance wherein the alleles of a gene pair in a heterozygote are fully... 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

Pair-rule gene

Definition noun A segmentation gene whose expression subdivides the embryo into a series of stripes, and sets the boundaries... Read More

Divergent evolution

Divergent evolution definition Divergent evolution refers to the process by which interbreeding species diverged into two... Read More

Collagen fiber

Definition noun, plural: collagen fibers A fiber in the extracellular matrix of connective tissues characterized by being... Read More

Polytene chromosome

polytene chromosome (Science: cell biology) giant chromosomes produced by the successive replication of homologous pairs of... Read More

Remittent fever

remittent fever A fever pattern in which temperature varies during each 24 hour period, but never reaches normal. Most... Read More

Biology

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

Rayleigh criterion

Rayleigh criterion (Science: microscopy) A criterion chosen by lord Rayleigh to define the limit of resolution of a... Read More

Chromosome 2

Definition noun In humans, the autosome that is considered as the second-largest, spanning more than 242 million base pairs,... Read More

Law of Segregation

Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that was initially... Read More