Consider a diploid organism with a haploid complement of four chromosomes. At prophase I, how many total chromosomes will be present in a cell?

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Quizplus · Accepted Answer

During prophase I of meiosis, chromosomes have already replicated during the S phase of interphase, leading to each chromosome consisting of two sister chromatids. However, the cell still maintains the same number of chromosome sets as in the diploid state. Since the organism is diploid with a haploid complement of four chromosomes, it has 2 sets of these, making 8 chromosomes in total, each consisting of two sister chromatids.

Consider a Diploid Organism with a Haploid Complement of Four