Search Results for: sister chromosomes
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 – Quiz
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Telophase II
Definition noun The stage in meiosis II after anaphase II, and identified by the complete movement and separation of the... Read More
Sister chromosomes
2 (daughter) cells, with its own nucleus and identical chromosomes; made from a cell membrane during cytokinesis of... Read More
Non-sister chromatid
Definition noun, plural: non-sister chromatids Either of the two chromatids of any of the paired (homologous)... Read More
Law of Segregation
Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that was initially... Read More
Sister chromatids
Definition noun, singular: sister chromatid The two identical strands joined by a common kinetochore as a result of a... 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
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
Plant Cells vs. Animal Cells – Quiz
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recombination DNA repair
Recombination DNA Repair Definition Recombination DNA repair is a biological reparative process in response to DNA damage... Read More
Genetic Information and Protein Synthesis – Quiz
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Anaphase I
Definition noun The third stage in the first meiotic division after prophase I, and highlights the separation of paired... 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
Anaphase II
Definition noun The third stage in meiosis II after prophase II, and highlights the separation of the sister chromatids of... Read More
Genetics Laboratory Investigations (13th Edition)
Genetics Laboratory Investigations (13th Edition) ... Read More
Prophase I
Definition noun The first stage in the first meiotic division of meiosis characterized by having five sub-stages namely... 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 II
Definition The second of the two consecutive divisions of the nucleus of eukaryotic cell during meiosis, and composed of the... 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
Centromere
Definition noun, plural: centromeres The dense, constricted region containing highly-specialized repetitive DNA sequence,... Read More
Nondisjunction
Definition noun (In mitosis) The failure of sister chromatids to separate during and after mitosis. (In meiosis) The failure... Read More
Disjunction
Definition noun The normal separation or moving apart of chromosomes toward opposite poles of the cell during cell... Read More
Kinetochore
Definition noun, plural: kinetochores A protein complex that assembles at the centromeric region of the chromosome during... Read More
Lampbrush chromosome
Lampbrush chromosome (Science: cell biology) large chromosomes (as long as 1mm), actually meiotic bivalents, seen during... Read More