Answer:
The question is incomplete, the complete question with options is:
Gametes have:
1. Homologous chromosomes
2. Twice the number of chromosomes found in body cells
3. Two sets of chromosomes
4. One allele for each gamete
The answer is 4
Explanation:
Gamete formation is peculiar to sexually-reproducing organisms and they do so via the process of meiosis, which reduces the chromosomal number of gametes/resulting daughter cells by half. A diploid (2n) organism undergoes meiotic division to produce haploid (n) gametes.
Mendel discovered that a diploid organism receives two forms of a gene called ALLELE from each parent. These alleles segregate into gametes in such a way that each gamete contains only one allele of a pair (according to Mendel's law of segregation). For example, a diploid organism with genotype Tt will undergo meiosis to produce gametes with T and t allele respectively.
