This means that in meoisis II when we split the sister chromatids: It is only when the sister chromatids separate are they each considered separate chromosomes. The single strand chromosome (1 chromosome) became two stranded yet attached identical sister chromatids (still 1 chromosome) Likewise chromosome 5 of dad is similar to chromosome 5 of mom)Īfter replication how many chromosomes do we have? ![]() ![]() In interphase before S (replication phase) we have 46 single stranded chromosomes: 23 are from mom and 23 are from dad (they code for the same things meaning chromosome 1 of mom codes for the same thing as chromosome 1 of dad. Remember that when replicating in interphase, the chromosome number DOES NOT CHANGE
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