2. The following diagrams are meant to represent chromosomes during emit anaphas

Question

2. The following diagrams are meant to represent chromosomes during emit anaphase of nuclear division (mitosis or meiosis) in an organism that has n = 2 (therefore the diploid number is 4). The homologous pairs of chromosomes are distinguished by a lower case versus an uppercase letter. The lines represent chromosomes or chromatids. The individual concerned is dihybrid (genotype AaBb). The dotted lines represent the position of the metaphase plate. List whether each of the three following diagrams is representative of mitosis, meiosis I, meiosis II, or an impossible situation.

Explanation / Answer

option i , represent the mitosis stage where they aligned on the metaphasic plate

option ii ; represent the meiosis   1 where the chromosomes are in a dipliod state and recombination takes place

option iii '; representing the meiosis 2 , where they are recombined and they are aligned onto metaphasic plate

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