133 results found

Search Results for: eyes

Complete dominance

Complete Dominance Definition Genetics is the study of how traits are inherited by organisms and in what ways these... Read More

Eye

Definition noun, plural: eyes (1) The organ of sight or vision; the visual sense; the sense of seeing. (2) A mark... Read More

Fitness

A competing variant's frequency is rising in relation to other competing variants in a population under the biological... Read More

Human Perception – Neurology

A better understanding of human perception unlocks the key to how the mind works, an advantage when working with people with... Read More

Sex-linked trait

Definition of Sex-Linked Traits A sex-linked trait is an observable characteristic of an organism that is influenced by the... Read More

Blindness – Evolutionary regression? Maybe not!

The recent Netflix's hit flick, Bird Box, surely startled the viewers with the thrilling scenarios revolving around the... Read More

Independent Assortment and Crossing Over

Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial investigates the process of meiosis, where... Read More

Horseshoe crab

Definition noun, plural: horseshoe crabs A crab-like marine chelicerate arthropod of the taxonomic family... 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

Limulus

Definition noun A genus of the family Limulidae Supplement Limulus is a taxonomic genus of the family Limulidae, commonly... Read More

Mantis

Mantis Definition A mantis (plural: mantises or mantes) refers to any of the insects that belong to the order Mantodea... Read More

Albinism

Definition noun A hereditary, congenital disorder characterized by the complete or partial lack of pigmentation production... Read More

Inbreeding

Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... Read More

Adaptation

Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting behavior, physiology, or... Read More

Independent Assortment

Independent Assortment Definition Independent assortment refers to the alleles or genes that sort into the newly formed... Read More

Aves

Aves Definition What are birds classified as? Birds constitute the class Aves of the kingdom Animalia. How to define Aves?... 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

Mimicry

Most would say imitation is the greatest form of flattery. In some cases that is quite true. However, imitation or mimicking... Read More

Binocular vision

Definition noun (1) (zoology) A type of vision wherein both eyes of an animal are used at the same time (as opposed to... Read More

Pleiotropy

Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... 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

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Dominant

Dominant Definition The word dominant or dominant trait is commonly used in biology. The general meaning of dominant is to... Read More

Monocular vision

Definition noun (1) (zoology) A type of vision in which one eye of the animal moves and sees objects independently of the... Read More

Melanism

Definition noun The condition wherein an unusually high amount of melanin is produced and deposited resulting in the dark... Read More

Analogous structures

Analogous Structures Definition In evolutionary biology, analogous structures are biological structures having similar or... Read More

Jaundice

Jaundice (Science: clinical sign) Yellowing of the skin (and whites of eyes) by bilirubin, a bile pigment. Frequently... Read More

Autosome

Autosomes can be described as the non-sex chromosomes that play diverse roles in the human body like harboring genes for the... Read More

Convergent evolution

Convergent evolution definition What is convergent evolution? Convergent evolution is a concept in evolutionary biology... Read More

Felidae

Definition noun A taxonomic family of Carnivora embracing domestic and wild cats such as lions and tigers Supplement Felidae... Read More

Scared to Death

Scared to Death: Self-Willed Death, or the Bone-Pointing Syndrome   by Patrick D Hahn   Accepted on: September 4,... Read More

Canthus

Canthus Definition The canthus refers to the corner or angle of the eye formed by the joining of the lower and upper... Read More

Chimera

When we learned about the basic genetics of biological life, we came to know that almost all the cells of an individual have... Read More

Purulent

The term "purulent" signifies the state of formation and release of pus from a site of inflammation. Thick, foul-smelling,... Read More

Fetus

The science of Embryology and Fetal development has fascinated mankind since time immemorial. After the embryonic stage, the... Read More

Lacrimation

Definition noun, plural: lacrimations The shedding of tears; crying; tearing Supplement Lacrimation refers to the shedding... 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

Equilibrioception

Definition noun, plural: The sense of balance in humans and animals that involves visual system, vestibular system, and... 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

Philippine tarsier

Definition noun, plural: Philippine tarsiers A tarsier species endemic to the islands of the Philippines Supplement Tarsiers... Read More