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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 ...
Opioids such as fentanyl, morphine, heroin and methadone (the notable exception being pethidine); Products containing nicotine such as cigarettes, chewing tobacco or gum ...
Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease , trauma , or the use of certain types of drug .
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 ...
A meiocyte is a type of cell that differentiates into a gamete through the process of meiosis. Through meiosis, the diploid meiocyte divides into four genetically different haploid gametes. [1] [2] The control of the meiocyte through the meiotic cell cycle varies between different groups of organisms.
We finally—finally—made it to the end of the year.And though the music releases have gone from summer’s deluge to a steady trickle, that doesn’t mean there aren’t some great new songs in ...
Chromosomal crossover, or crossing over, is the exchange of genetic material during sexual reproduction between two homologous chromosomes' non-sister chromatids that results in recombinant chromosomes. It is one of the final phases of genetic recombination, which occurs in the pachytene stage of prophase I of meiosis during a process called ...
Big success No. 1: Rebounding after Nebraska. Colorado’s 28-10 loss at Nebraska on Sept. 7 looked ominous for the Buffaloes.They fell into a 28-0 hole at halftime, gave up six quarterback sacks ...