science
Grade-10
Easy
Question
Why do offspring formed by sexual reproduction show more variations?
- Gametes come from only one parent.
- Because gametes come from both the parents.
- Because gametes come from only male parent.
- Because gametes come from only female parent.
Hint:
A zygote receives 50% of chromosome from each parent.
The correct answer is: Because gametes come from both the parents.
- Fertilization results in the formation of zygote
- A zygote if formed by the fusion of a male and a female gamete
- The gametes are haploid which contains only one set of chromosomes
- Zygote is diploid which inherits half of the chromosome from each of the parents
- The offspring will exhibit variation due to the combination of maternal and paternal genes
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