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Phenon
the sum of all traits expressed by an
individual
Law of Segregation
MA and PA
chromosomes/alleles segregate into
different daughter cells during Meiosis I
This is why after Meiosis 2
• gametes lack paired, homologous
chromosomes (homologues)
• gametes have half the total number of
chromosomes as germ cells (2n ➟ n)
Without chromosome reduction during
meiosis, chromosome number would
double following syngamy during every
generation
nuclear/cellular instability