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A cell has 40 chromosomes during G1 phase. How many sister chromatids does that cell have during prophase I of meiosis?

Sagot :

Answer:

80 chromatids

14. D – G1 phase is prior to replication. During prophase I, all chromosomes are composed of 2 sister chromatids and we have not yet divided the genetic material, so the correct answer is 40 chromosomes x 2 chromatids/chromosome = 80 chromatids.