meiotic recombination

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• Meiotic recombination checkpoint — The meiotic recombination checkpoint monitors the meiotic recombination during meiosis, and blocks the entry into metaphase I if the recombination is not efficiently processed. Meitotic recombination contributes to the cells in two different ways …   Wikipedia

• Recombination hotspot — Recombination hotspots are small regions in the genome of sexually reproducing organisms that exhibit highly elevated rates of meiotic recombination. The peak recombination rate within hotspots can be hundreds or thousands times that of the… …   Wikipedia

• recombination — The production of a DNA molecule with segments derived from more than one parent DNA molecule. In eukaryotes, this is achieved by the reciprocal exchange of DNA between non sister chromatids within an homologous pair of chromosomes during… …   Glossary of Biotechnology

• Homologous recombination — Figure 1. During meiosis, homologous recombination can produce new combinations of genes as shown here between similar but not identical copies of human chromosome 1. Homologous recombination is a type of genetic recombination in which nucleotide …   Wikipedia

• Genetic recombination — is the process by which a strand of genetic material (usually DNA; but can also be RNA) is broken and then joined to a different DNA molecule. In eukaryotes recombination commonly occurs during meiosis as chromosomal crossover between paired… …   Wikipedia

• Origin and function of meiosis — Eukaryotes are organisms with a true nucleus in which the DNA genome is enclosed in a double membrane (e.g. fungi, protozoans, vertebrates, higher plants), in contrast to prokaryotes (bacteria and blue green algae) that lack a nuclear membrane.… …   Wikipedia

• Evolution of sexual reproduction — The evolution of sexual reproduction is currently described by several competing scientific hypotheses. All sexually reproducing organisms derive from a common ancestor which was a single celled eukaryotic species[1]. Many protists reproduce… …   Wikipedia

• DMC1 (gene) — DMC1 dosage suppressor of mck1 homolog, meiosis specific homologous recombination (yeast) PDB rendering based on 1v5w …   Wikipedia

• MSH2 — MutS homolog 2, colon cancer, nonpolyposis type 1 (E. coli) PDB rendering based on 2o8b …   Wikipedia

• MRE11A — MRE11 meiotic recombination 11 homolog A (S. cerevisiae) Identifiers Symbols MRE11A; ATLD; HNGS1; MRE11; MRE11B External IDs …   Wikipedia

• Chromosomal crossover — Thomas Hunt Morgan s illustration of crossing over (1916) A double cros …   Wikipedia