103 results found

Search Results for: round

Inheritance and Probability

Reviewed by: Mary Anne Clark, Ph.D. Gregor Mendel, an Austrian monk, is most famous in this field for his study... Read More

Independent Assortment

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

Round heart

round heart Abnormally smooth arcuate contours of the heart due either to disease of the ventricles or to a false cardiac... Read More

Spermatid

Spermatid Definition What are spermatids? Let us define spermatid and understand its role in reproduction. A spermatid... Read More

Phenotypic ratio

Phenotypic Ratio Definition How would one define phenotypic ratio? The correlation between the amount of offspring that... Read More

Dominance

Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial investigated Gregor Mendel and how he found trends in... Read More

Telophase

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

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Spin

spin 1. To practice spinning; to work at drawing and twisting threads; to make yarn or thread from fibre; as, the woman... Read More

Anaphase

In order to keep the process of biological existence ever-going, the phenomenon of cell multiplication is very important.... Read More

Nucleolus

Nucleolus Definition noun plural: nucleoli nu·cle·o·lus, njuːˈkliːələs (cell biology) The round granular... Read More

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Light-independent reaction

The process of photosynthesis is a biological procedure in which plants produce oxygen and energy (sugar) by using light... Read More

Genotypic ratio

Genotypic Ratio Definition To understand 'Genotypic ratio', let us first understand the terms: 'Genotype' and 'Phenotype'.... Read More

Flask

Flask 1. A small bottle-shaped vessel for holding fluids; as, a flask of oil or wine. 2. A narrow-necked vessel of metal or... Read More

Inherited traits

What are Inherited Traits? The characteristics or traits that are passed from parents to offspring are known as inherited... Read More

Pearl

pearl 1. (Science: marine biology, zoology) A shelly concretion, usually rounded, and having a brilliant luster, with... Read More

Leptomonad

Definition noun (protozoology) The common name for any of the member of the genus Leptomonas Supplement Leptomonads refer to... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

Pinealocyte

Definition noun, plural: pinealocytes The major cell type component of the pineal gland, and is involved in the production... Read More

New Zealand’s Unique Fauna

By: Maria Victoria Gonzaga In the previous lesson, we learned about the high biodiversity of New Zealand and how... Read More

Peritoneum

What is the Peritoneum? The term peritoneum refers to the serous membrane that constitutes the biologically active inner... Read More

Lamprey

Lamprey (Science: zoology) An eel-like marsipobranch of the genus petromyzon, and allied genera. The lampreys have a round,... Read More

Woolly cheetah

Woolly cheetahs were reported in the 19th century as a separate species of cheetah that had longer, denser fur. Several... Read More

Mitochondrion

Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More

Revolution

revolution 1. The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or... Read More

Analogous

In evolutionary biology, the meaning of analogous is “having similarities in functions but different evolutionary... Read More

Megakaryoblast

Definition noun, plural: megakaryoblasts A precursor cell that develops into a promegakaryocyte during... Read More

Lycinibacillus fusiformis

Definition noun A long rod-shaped obligate aerobe organism that is able to utilize oxygen to metabolize numerous sugars... Read More

Asian Glossy Starling

Definition noun, Species in class Aves that considered as one of the noisiest species of birds those are highly extroverted... Read More

Plane

Plane 1. To make smooth; to level; to pare off the inequalities of the surface of, as of a board or other piece of wood, by... 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

Cell morphology

The basic essence for any living organism is its structural framework which includes appearance, form, and the... 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

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Involuntary muscle

A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More

Pills

pill The peel or skin. Some be covered over with crusts, or hard pills, as the locusts. Origin: Cf. Peel skin, or... Read More

Sperm cell

Definition noun, plural: sperm cells A mature male gamete or reproductive cell; spermatozoon. Supplement A single sperm cell... Read More

Environmentalism

Definition noun A broad philosophy and social movement that is chiefly concerned with the prevention and conservation of the... Read More

Natural environment

Definition noun All living and non-living things that occur naturally on a particular region. Supplement A natural... Read More