95 results found

Search Results for: character

Characteristic

Characteristics Definition We can define characteristics as qualities or features that describe the distinctive nature or... Read More

Discrete character

Discrete character --> denumerable character classifiable character that is also countable (e.g., number of progeny,... Read More

Dominant character

Definition noun (genetics) An inherited trait that results from the expression of the dominant allele over the recessive... Read More

Phenotype

Phenotype refers to the observable characteristics of an organism as a multifactorial consequence of genetic traits and... Read More

Homology

In biology, homology refers to similarities caused by shared ancestry between two structures or genes from distinct species.... Read More

Law of Unit Characters

Definition noun (genetics) A Mendelian law which states that every genetic character of an organism is controlled by unit... Read More

Heterochrony

Definition noun, plural: heterochronies Refers to the rate of morphological transformations accomplish by the developmental... Read More

Hypomelanism

All the body cells of living organisms bear some color due to one or the other pigment molecule or complex. The pigment can... 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

Nature

nature 1. The existing system of things; the world of matter, or of matter and mind; the creation; the universe. But looks... Read More

Natural selection

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

Mendel’s laws: definitions

Genetics - a branch of biology that deals with the study of heredity and variations Variations - differences amongst the... Read More

Degrade

Degrade 1. To reduce from a higher to a lower rank or degree; to lower in rank to deprive of office or dignity; to strip of... Read More

Dichotomous

Several English words are widely used across different fields of Science. One such term is dichotomous. We often use this... Read More

Appearance

Appearance 1. The act of appearing or coming into sight; the act of becoming visible to the eye; as, his sudden appearance... Read More

Kind

Kind 1. Nature; natural instinct or disposition. He knew by kind and by no other lore. (Chaucer) Some of you, on pure... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Law of Segregation

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

Synapomorphy

Definition noun, plural: synapomorphies An advance character state shared among two or more taxa inherited from the most... Read More

Horse

Horse 1. To provide with a horse, or with horses; to mount on, or as on, a horse. Being better horsed, outrode me. 2. To sit... Read More

Embryology

Embryology Definition Embryology is a branch of biology that deals with the topics concerning gamete formation... Read More

Apomorphy

Apomorphy Definition Apomorphy (biology definition): A derived trait or characteristic that identifies a species or a... Read More

Natural

natural 1. Fixed or determined by nature; pertaining to the constitution of a thing; belonging to native character;... Read More

Spinnbarkeit

spinnbarkeit The stringy, elastic character of cervical mucus during the ovulatory period; in contrast to other times in the... Read More

Cilium

Cilia Definition Cilia are hair-like structures found on the surface of many types of cells, including some mammalian... Read More

Abiotic

An abiotic factor in Ecology or Biology pertains to any constituent within an ecosystem that lacks inherent life or living... Read More

In situ

When we talk about an experiment, human intervention, a protocol, or its step or any x, y, z call-of-action, it can be... Read More

Lignification

(Science: botany) a change in the character of a cell wall, by which it becomes harder. It is supposed to be due to an... Read More

Anthropography

Anthropography That branch of anthropology which treats of the actual distribution of the human race in its different... Read More

C4 plant

Carbon fixation is a process of taking carbon dioxide in order to synthesize sugar, such as glucose. Thus, carbon dioxide is... Read More

Homeoplasia

Homeoplasia The formation of new tissue of the same character as that already existing in the part. Synonym:... Read More

Punnett Square

Punnett Square Definition A tool that helps to show all possible allelic combinations of gametes in a cross of parents with... Read More

Prognathous

prognathous (Science: anatomy) Having the jaws projecting beyond the upper part of the face; opposed to orthognathous. See... Read More

Subclass

Definition noun, plural: subclasses (taxonomy) A taxonomic rank that is subordinate to a class (and superior to an... 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

Microscopic section

microscopic section --> section 1. The act of cutting, or separation by cutting; as, the section of bodies. 2. A part... Read More

Inhibitory postsynaptic potential

Inhibitory Postsynaptic Potential Definition An inhibitory postsynaptic potential is a type of synaptic potential. It is... Read More

Ionic bond

Definition noun plural: ionic bonds A type of chemical bond in which atoms, ions, or molecules are held together by... Read More

Systema Naturae

Definition noun A book of binomial nomenclature introduced by a Swedish botanist, zoologist and physician Carolous... Read More

Polyphyletic

Definition adjective Taxonomic groups that have similar character states that descends from one or more ancestral... Read More