Biology
Grade-9
Easy
Question
The failure of one or more pairs of homologous chromosomes or sister chromatids to separate "normally" during meiosis is called _____________________.
- Nondisjunction
- Anaphase I
- Homologous chromosomes
- karyotype
Hint:
Non disjunction
The correct answer is: Nondisjunction
Non disjunction occurs when homologous chromosomes or sister chromatids fail to separate during meiosis.
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