Meiosis,light micrograph

Numéro d’image : 12025863
Meiosis,light micrograph
Meiosis. Light micrograph of a locust (Locus testis) cell during late prophase (I),the first stage of meiosis (gamete formation). During meiosis four daughter nuclei are formed from one parent nucleus after two stages of nuclear division. Meiosis occurs only in the sex cells (gametes) of the testes and ovaries. During prophase the chromosomes,which contain two identical chromatids and are made of deoxyribonucleic acid (DNA,dark),condense into defined units,allowing organised and equal segregation into daughter cells. Here the chromosomes are in their pairs and crossing-over is taking place. Magnification: x1,500 when printed at 10 centimetres tall
Licence : Droits gérés
Crédit: Science Photo Library / Biophoto Associates
Taille de l’image : 3382 px × 5185 px
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Property Release : Non requis
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