Search Results for: chromatid
Chromatids
Chromatid Definition Chromatids are found inside our cells. Chromatids are condensed chromosomes distinguishable during... Read More
Sister chromatids
Sister Chromatids Definition Sister chromatids are defined as the two identical copies of a single replicated chromosome... Read More
Non-sister chromatid
Definition noun, plural: non-sister chromatids Either of the two chromatids of any of the paired (homologous)... Read More
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
Centromere
Centromere Definition Centromere is defined as the point of attachment for the sister chromatids generated after DNA... Read More
Prometaphase
Definition noun The phase of mitosis between prophase and metaphase wherein the nuclear envelope breaks down and form... Read More
Prophase II
Definition noun The first stage in meiosis II highlighted by the disintegration of nucleolus and nuclear envelope, the... Read More
Cytokinesis
The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More
Kinetochore
Definition noun, plural: kinetochores A protein complex that assembles at the centromeric region of the chromosome during... Read More
Meiosis and Alternation of Generations
Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More
Recombination DNA repair
Recombination DNA Repair Definition Recombination DNA repair is a biological reparative process in response to DNA damage... Read More
Chromosomal inversion
Definition noun, plural: chromosomal inversions A chromosomal aberration wherein a segment of a chromosome is reversed... Read More
Anaphase I
Definition noun The third stage in the first meiotic division after prophase I, and highlights the separation of paired... Read More
Metaphase I
Definition noun The second stage in the first meiotic division after prophase I, and highlights the alignment of paired... Read More
Chromosomal crossover
Chromosomal Crossover Definition noun A process occurring during meiosis wherein homologous chromosomes pair up and... Read More
Subtelocentric chromosome
Definition noun, plural: subtelocentric chromosomes A chromosome whose centromere is placed near the end rather than the... Read More
Metacentric chromosome
Definition noun, plural: metacentric chromosomes A chromosome in which the centromere is located in the middle resulting in... Read More
Holocentric chromosome
Definition noun, plural: holocentric chromosomes A chromosome in which the entire length of the chromosome seems to act as a... Read More
Meiosis II
Definition The second of the two consecutive divisions of the nucleus of eukaryotic cell during meiosis, and composed of the... Read More
Acrocentric chromosome
Definition noun, plural: acrocentric chromosomes A chromosome whose centromere is subterminal resulting in its q arms being... Read More
Telocentric chromosome
Definition noun, plural: telocentric chromosomes A chromosome whose centromere is placed very close to the end of the... Read More
Mitotic spindle
Definition noun The collective term for all the spindle fibers that form during mitosis Supplement The spindle apparatus is... Read More
Homologous chromosome
A homologous chromosome pertains to one of a pair of chromosomes with the same gene sequence, loci, chromosomal length, and... Read More
Diakinesis
Definition noun The final stage of prophase I of meiosis I in which the chromosomes condense, the nucleolus fragments and... Read More
Submetacentric chromosome
Definition noun, plural: submetacentric chromosomes A chromosome with a centromere located sub-median resulting in slightly... Read More
Hermaphrodite
We all know that typically living organisms are divided into two main categories of sex-based on their biological structure.... Read More
Disjunction
Definition noun The normal separation or moving apart of chromosomes toward opposite poles of the cell during cell... Read More
Nondisjunction
Definition noun (In mitosis) The failure of sister chromatids to separate during and after mitosis. (In meiosis) The failure... Read More
Parthenogenesis
To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More
Meiosis – The Genetics of Reproduction
The genetic information found in DNA is essential in creating all the characteristics of an organism. This remains the case... Read More