77 results found

Search Results for: determination

Y chromosome

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

Determination

Determination (Science: cell biology) The committment of a cell to a particular path of differentiation, even though there... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... 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

Sex determination

Definition noun (1) (embryology) The developmental process in which the sex of a bipotential embryo is fixed or determined... Read More

Chromosomes X and Y and Sex Determination

Reviewed by: Mary Anne Clark, Ph.D.In humans, the normal chromosome complement is 46, consisting of 22 pairs of... Read More

Cell determination

Definition noun The process in which a previously undifferentiated cell is already programmed to become a specific cell type... Read More

Haplodiploidy

Definition noun A biological system of sex determination as observed in the Hymenopteran species (e.g. ants and bees) where... Read More

Molecular Basis of Temperature-Dependent Gender of Red-Eared Slider Turtle

Imagine a child inside a womb with a sex yet to be decided not by the pair of sex chromosomes but by the ambient temperature... Read More

Sex chromosome

Definition noun, plural: sex chromosomes A type of chromosome in the genome that is involved in the determination of the sex... 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

Sex-determining Region Y gene

Definition noun The gene that codes for the SRY protein, which is associated with the testicular development in many male... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Differentiation

Differentiation in biology is the process where less specialized cells undergo changes to develop specialized structures and... 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

Biuret test

In this article we will answer the following three questions: What is a Biuret Test?  What does biuret test for? What is... Read More

Phenol coefficient

Chemical disinfectants are categorized based on the power of their disinfection for microbes and viruses. Strong... Read More

Cell matrix

Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More

Decree

Decree 1. An order from one having authority, deciding what is to be done by a subordinate; also, a determination by one... Read More

X chromosome

Definition noun, plural: X chromosomes A mammalian sex chromosome which typically occurs in two in females and one in... Read More

Y-linked inheritance

Definition noun (genetics) Inheritance for genes on the Y chromosome Supplement Sex chromosomes are not only relevant... Read More

Embryo

An embryo refers to the early developmental stage of a multicellular organism that follows fertilization. This stage... Read More

Susceptible

Resistance, vulnerability, sensitivity, tolerance, and susceptibility are some highly important terminologies across the... Read More

Sex linkage

Definition noun, plural: sex linkages A condition in which a trait or a phenotype manifesting apparently more frequently in... Read More

Mendel’s Law & Mendelian Genetics

Reviewed by: Mary Anne Clark, Ph.D.The previous tutorial, Dominance, has described Gregor Mendel’s law of... Read More

A Protein Being Born – a live cell imaging of RNA translation

You probably already heard the concepts of translation in the central dogma of molecular biology. The dogma is an... Read More

Sand

sand particles in siliciclastic sediment that range in size from 0.0625 millimetres (very fine-grained sand) to 2.0... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Cytoplasmic matrix

Definition noun singular: cytoplasmic matrices cy·to·plas·mic ma·trix (1) Synonym for cell matrix, an insoluble,... Read More

Differential screening

Differential screening process in development of a multicellular organism by which cells become specialised for particular... Read More

Sex

Definition noun, plural: sexes (1) The assemblage of characters or qualities of being a male or a female in animals and... Read More

Symptomatic

Symptomatic Definition Symptomatic is a term that pertains to the observable manifestations or particular conditions... Read More

Sterile

Sterile Definition What does sterile mean? In reproductive biology, we can define sterile as an inability to reproduce or... Read More

Hcg

Hcg --> human chorionic gonadotrophin (Science: hormone tumour marker) a hormone that is produced by the developing... Read More

X-linked inheritance

Definition noun (genetics) Inheritance for genes on the X chromosome Supplement Sex chromosomes are not only relevant for... Read More

Myoblast

Myoblast Definition A myoblast is a progenitor cell that when it stops dividing enters myogenesis to develop into a myocyte... Read More

Myogenesis

Definition noun (embryology) The formation of muscle tissues through the differentiation of progenitor cells myoblasts... Read More

Nutshell

nutshell 1. The shell or hard external covering in which the kernel of a nut is inclosed. 2. Hence, a thing of little... 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

Multiple alleles

Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically, there are only two alleles... Read More