13 results found

Search Results for: synapsis

Prophase I

Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More

Tetrad

Definition noun, plural: tetrads (1) (cell biology) A group of four closely associated chromatids of a homologous pair... Read More

Synaptonemal complex

Definition noun, plural: synaptonemal complexes A complex protein structure that spans the region between the paired... Read More

A Look Into Natural Selection and its Mechanisms

Charles Darwin is credited with outlining the fundamentals of evolution. He was a smart and eager pupil and protégé, and... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Chromatids

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

Synapse

Definition noun, plural: synapses A specialized structure or junction that allows cell to cell communication. verb (1) To... Read More

Zygotene

Definition noun, plural: zygotenes The sub-stage of prophase I of meiosis I in which the homologous chromosomes pair or come... Read More

Pachytene

Definition noun The stage after zygotene and precedes diplotene, and is highlighted by homologous chromosomes shortening,... Read More

Genetic variability

Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More

Bivalent

Bivalent Definition What is bivalent? In genetics, bivalent is used in describing homologous chromosomes (referred to as... 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

Chromosomal crossover

Chromosomal Crossover Definition noun A process occurring during meiosis wherein homologous chromosomes pair up and... Read More