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A chromosomal alteration in which one or more pairs of homologous chromosomes fail to separate normally during meiotic cell division is known as... 1.)an addition 2,) crossing over 3.) nondisjunction 4.
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A chromosomal alteration in which one or more

pairs of homologous chromosomes fail to separate
normally during meiotic cell division is known as... 1.)an addition
2,) crossing over
3.) nondisjunction
4.) translocation

User YogeshR
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It’s non disjunction
User Jaaronfarr
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