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2. Bivalent (genetics) - Wikipedia

   en.wikipedia.org/wiki/Bivalent_(genetics)

   The search for the homologous target, helped by numerous proteins collectively referred as the synaptonemal complex, cause the two homologs to pair, between the leptotene and the pachytene phases of meiosis I. [4] Resolution of the DNA recombination intermediate into a crossover exchanges DNA segments between the two homologous chromosomes at a ...

3. Meiosis - Wikipedia

   en.wikipedia.org/wiki/Meiosis

   This is an accepted version of this page This is the latest accepted revision, reviewed on 16 January 2025. Cell division producing haploid gametes For the figure of speech, see Meiosis (figure of speech). For the process whereby cell nuclei divide to produce two copies of themselves, see Mitosis. For excessive constriction of the pupils, see Miosis. For the parasitic infestation, see Myiasis ...

4. Nondisjunction - Wikipedia

   en.wikipedia.org/wiki/Nondisjunction

   In general, nondisjunction can occur in any form of cell division that involves ordered distribution of chromosomal material. Higher animals have three distinct forms of such cell divisions: Meiosis I and meiosis II are specialized forms of cell division occurring during generation of gametes (eggs and sperm) for sexual reproduction, mitosis is the form of cell division used by all other cells ...

5. Origin and function of meiosis - Wikipedia

   en.wikipedia.org/wiki/Origin_and_function_of_meiosis

   Meiosis generates genetic variation in the diploid cell, in part by the exchange of genetic information between the pairs of chromosomes after they align (recombination). Thus, on this view, [28] an advantage of meiosis is that it facilitates the generation of genomic diversity among progeny, allowing adaptation to adverse changes in the ...

6. Chromosomal crossover - Wikipedia

   en.wikipedia.org/wiki/Chromosomal_crossover

   There are two popular and overlapping theories that explain the origins of crossing-over, coming from the different theories on the origin of meiosis.The first theory rests upon the idea that meiosis evolved as another method of DNA repair, and thus crossing-over is a novel way to replace possibly damaged sections of DNA. [9]

7. Gene conversion - Wikipedia

   en.wikipedia.org/wiki/Gene_conversion

   Gene conversion is the process by which one DNA sequence replaces a homologous sequence such that the sequences become identical after the conversion. [1] Gene conversion can be either allelic, meaning that one allele of the same gene replaces another allele, or ectopic, meaning that one paralogous DNA sequence converts another.

8. Today's Wordle Hint, Answer for #1308 on Friday ... - AOL

   www.aol.com/todays-wordle-hint-answer-1308...

   If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1308 ahead. Let's start with a few hints.

9. Chromosome segregation - Wikipedia

   en.wikipedia.org/wiki/Chromosome_segregation

   During the phase of meiosis labeled “interphase s” in the meiosis diagram there is a round of DNA replication, so that each of the chromosomes initially present is now composed of two copies called chromatids. These chromosomes (paired chromatids) then pair with the homologous chromosome (also paired chromatids) present in the same nucleus ...