Meiosis, light micrograph
Bildnummer 13754873
| Light micrograph of chromosomes from a Chorthippus jucundus grasshopper during metaphase (II) of meiosis (gamete formation). Chromosomes consist of deoxyribonucleic acid (DNA) and proteins. 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. At metaphase (II) chromosomes line up along the centre of the cell ready for their chromatids to be separated during anaphase (II). Separation results in two cells with half the usual number of chromosomes. The full complement is restored when two gametes fuse during fertilisation. Orcein stain. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / DR. JUAN F. GIMENEZ-ABIAN |
| Bildgröße: | 5311 px × 2999 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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