Search Results for: chromatids
Sister chromatids
Definition noun, singular: sister chromatid The two identical strands joined by a common kinetochore as a result of a... Read More
Chromatids
Definition noun, singular: chromatid The two strands joined together by a single centromere, formed from the duplication of... 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
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
Sister chromatid
Definition noun, plural: sister chromatids Each of the two identical strands joined by a common kinetochore as a result of a... Read More
Non-sister chromatid
Definition noun, plural: non-sister chromatids Either of the two chromatids of any of the paired (homologous)... Read More
Anaphase II
Definition noun The third stage in meiosis II after prophase II, and highlights the separation of the sister chromatids of... 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
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
Metaphase I
Definition noun The second stage in the first meiotic division after prophase I, and highlights the alignment of paired... Read More
Law of Independent Assortment
Law of Independent Assortment Definition The Mendelian inheritance principles are derived from and named after the monk,... 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
Meiotic spindle
Definition noun The collective term for all the spindle fibers that form during meiosis Supplement The spindle apparatus is... Read More
Law of Segregation
Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that were initially... Read More
Telophase I
Definition noun The stage in the first meiotic division after anaphase I, and identified by the complete movement and... Read More
Chromosome
Chromosomes Definition Chromosomes are the thread-like structure present in the nucleus of plant and animal cells.... 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
Kinetochore
Definition noun, plural: kinetochores A protein complex that assembles at the centromeric region of the chromosome during... Read More
Cells know when to separate at mitosis
How do cells know when to separate during mitosis? A molecule called BubR1 was found to regulate the timing of the division... 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
Prometaphase
Definition noun The phase of mitosis between prophase and metaphase wherein the nuclear envelope breaks down and form... Read More
Chromosomal crossover
Chromosomal Crossover Definition noun A process occurring during meiosis wherein homologous chromosomes pair up and... 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
Paracentric inversion
Definition noun, plural: paracentric inversions (genetics) An inversion of a segment of chromosome in which the centromere... Read More
Polytene chromosome
polytene chromosome (Science: cell biology) giant chromosomes produced by the successive replication of homologous pairs of... Read More
Centromere
Definition noun, plural: centromeres The dense, constricted region containing highly-specialized repetitive DNA sequence,... Read More
Metakinesis
metakinesis Metakinesia moving apart; the separation of the two chromatids of each chromosome and their movement to opposite... 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