Search Results for: centromere
Centromere
Centromere Definition Centromere is defined as the point of attachment for the sister chromatids generated after DNA... Read More
Chromatids
Chromatid Definition Chromatids are found inside our cells. Chromatids are condensed chromosomes distinguishable during... 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
Sister chromatids
Sister Chromatids Definition Sister chromatids are defined as the two identical copies of a single replicated chromosome... Read More
Acrocentric chromosome
Definition noun, plural: acrocentric chromosomes A chromosome whose centromere is subterminal resulting in its q arms being... Read More
Subtelocentric chromosome
Definition noun, plural: subtelocentric chromosomes A chromosome whose centromere is placed near the end rather than the... Read More
Telocentric chromosome
Definition noun, plural: telocentric chromosomes A chromosome whose centromere is placed very close to the end of the... Read More
Chromosome
Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More
Submetacentric chromosome
Definition noun, plural: submetacentric chromosomes A chromosome with a centromere located sub-median resulting in slightly... 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
Metacentric chromosome
Definition noun, plural: metacentric chromosomes A chromosome in which the centromere is located in the middle resulting in... Read More
Pericentric inversion
Definition noun, plural: pericentric inversions (genetics) An inversion of a segment of chromosome in which the centromere... Read More
Paracentric inversion
Definition noun, plural: paracentric inversions (genetics) An inversion of a segment of chromosome in which the centromere... Read More
Prometaphase
Definition noun The phase of mitosis between prophase and metaphase wherein the nuclear envelope breaks down and form... Read More
Kinetochore
Definition noun, plural: kinetochores A protein complex that assembles at the centromeric region of the chromosome during... 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
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
Anaphase I
Definition noun The third stage in the first meiotic division after prophase I, and highlights the separation of paired... Read More
Constitutive heterochromatin banding
Definition noun (cytogenetics) A selective banding technique wherein a banding pattern is produced in the constitutive... Read More
Metaphase II
Definition noun The second stage in meiosis II after prophase II, and highlights the alignment of chromosomes along a single... Read More
Meiotic spindle
Meiotic Spindle Definition The meiotic spindle refers to the spindle apparatus that forms during meiosis in contrast to... Read More
Chromosome Mutations
Reviewed by: Mary Anne Clark, Ph.D. By nature, the genetic information from both parents is expected to be seen... 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
Genetic Information and Protein Synthesis
Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More
Chromosomal inversion
Definition noun, plural: chromosomal inversions A chromosomal aberration wherein a segment of a chromosome is reversed... Read More
Chromosome 2
Definition noun In humans, the autosome that is considered as the second-largest, spanning more than 242 million base pairs,... Read More
Minisatellite
Definition noun, plural: minisatellites (molecular biology) A tandem repeat ranging in length from 10 to 60 base pairs,... Read More
Satellite DNA
Definition noun, plural: satellite DNAs (molecular biology) A portion of the DNA of a genome consisting of tandemly... 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
Large-scale mutation
Definition noun, plural: large-scale mutations (genetics) A type of mutation several nucleotides of a gene within a large... Read More
Patau syndrome
Definition noun A genetic disorder caused by genetic changes in chromosome 13, such as an extra copy of chromosome 13... Read More
Plant Cells vs. Animal Cells
Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More
Telophase II
Definition noun The stage in meiosis II after anaphase II, and identified by the complete movement and separation of the... Read More