Mendel's law of segregation is applicable during

Options

A. fusion of gametes
B. formation of zygote
C. formation of PEN
D. formation of gametes

Answer

**Step-by-Step Solution:**

1. **Understanding Mendel's Law of Segregation**: Mendel's Law of Segregation states that during the formation of gametes, the two alleles for a trait separate from each other so that each gamete carries only one allele for each gene. This is crucial in understanding how traits are inherited.

2. **Identifying the Process**: The law of segregation is applicable during the process of gametogenesis, which involves meiosis. Meiosis is a type of cell division that reduces the chromosome number by half, resulting in the formation of haploid gametes.

3. **Meiosis and Allele Separation**: During meiosis, homologous chromosomes (which carry the alleles) are separated into different gametes. For example, if an organism has one allele for tall plants (T) and one for dwarf plants (t), meiosis will ensure that half of the gametes will carry the T allele and the other half will carry the t allele.

4. **Conclusion**: Therefore, Mendel's law of segregation is applicable during the process of gametogenesis, specifically during meiosis when the alleles segregate into different gametes.

5. **Final Answer**: The correct answer to the question is that Mendel's law of segregation is applicable during the process of gametogenesis (meiosis).

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