15 results found

Search Results for: klinefelter syndrome

Klinefelter syndrome

Definition noun A genetic condition in a male characterized by the presence of at least one extra X chromosome Supplement In... Read More

Chromosome

Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More

Chromatids

Chromatid Definition Chromatids are found inside our cells. Chromatids are condensed chromosomes distinguishable during... Read More

Chromosomal mutation

Every living thing is made up of DNA. Our DNA is what makes us unique and different in the world. Our DNA is made up of... 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

Mutation

A mutation is a permanent, heritable change in the nucleotide sequence or the process by which such a change occurs in a... Read More

Single transverse palmar crease

Definition noun The single crease or line extending across the palm, and formed by the fusion of the proximal and the... Read More

Y chromosome

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

Follicle-stimulating hormone

Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More

Tetrasomy

Definition noun, plural: tetrasomies (genetics) A type of aneuploidy characterized by the gain of two extra chromosomes of... Read More

Deoxyribonucleic acid

Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More

Nondisjunction

Definition noun (In mitosis) The failure of sister chromatids to separate during and after mitosis. (In meiosis) The failure... Read More

Polysomy

Definition noun, plural: tetrasomies (genetics) A type of aneuploidy characterized by the gain of two extra chromosomes of... Read More

Xxy syndrome

XXY syndrome --> klinefelter's syndrome (Science: syndrome) A condition characterised by small testes with hyalinization... Read More