Molecule A molecule is the smallest amount of a chemical substance that can exist. It is the smallest particle in a chemical element or compound that…
Birthstone: Alexandrite Definition – Alexandrite is a member of the chrysoberyl family of stone, some of the rarest stones on earth. It is the traditional birthstone for…
Allele Frequency Allele frequency refers to the different forms of a gene at a single position on a chromosome. It refers to how frequently a particular allele…
Birthstone: Aquamarine Definition – “Aquamarine” (from Latin: aqua marina, “seawater”), is the second-most-popular gem beryl and is the birthstone for the month of March. It occurs at…
What is Gene Therapy? Gene therapy means putting in a working gene to a person who has a damaged gene. It is an experimental technique that uses genes to…
What is Genetics? Genetics Genetics is a discipline of biology. It is the study of heredity in general and of genes in particular. It is the science of…
Sand Dollar Definition – The term sand dollar (also known as a sea cookie or snapper biscuit in New Zealand, or pansy shell in South Africa) refers…
Mother Of Pearl Definition – Mother of Pearl (MOP), also known as ‘Nacre’ (/ˈneɪkər/ NAY-kər also /ˈnækrə/ NAK-rə), is a smooth shining iridescent substance forming the inner layer…
Genes A gene is the basic physical and functional unit of heredity. Genes are forms of DNA. DNA is a collection of chemical information that carries the…
Manganite: Properties and Occurrences Manganite is a mineral composed of manganese oxide-hydroxide, MnO(OH), crystallizing in the monoclinic system. It is a mineral named for its dominating manganese content. It…
Morganite Definition – Morganite, also known as “pink beryl”, “rose beryl” “pink emerald” (which is not a legal term according to the new Federal Trade Commission…
Cinnabar Definition – Cinnabar (/ˈsɪnəbɑːr/) or cinnabarite (/sɪnəˈbɑːraɪt/), likely deriving from the Ancient Greek: κιννάβαρι (kinnabari), is a toxic mercury sulfide mineral with a chemical composition…