Biology
Grade-9
Easy
Question
Genetic variation is caused by__________.
- Independent assortment of chromosomes in meiosis
- Crossing over in meiosis
- Random fertilization of gametes
- All the above
Hint:
All the above
The correct answer is: All the above
genetic variation can be caused by mutation, random mating, random fertilization, crossing over and recombination between homologous chromosomes during meiosis.
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