Respuesta :
Answer:
The reduction of chromosomes in the gametes is necessary to make sexual reproduction possible, in which each parent contributes half of their chromosomes and in fertilization a cell with the complete amount of chromosomes is produced, the zygote.
Explanation:
The reduction of chromosomes to form gametes is done by meiosis, a reductive cell division. Sex cells or gametes are haploid cells, i.e. with half the chromosome charge, as each parent must contribute a gamete in the reproductive process.
The union of the parents' gametes is called fertilization and its product is the zygote, whose chromosome charge is complete or diploid.
For a diploid zygote to be formed, it is necessary for the sex cells or gametes to be haploid, or with half of the chromosomes of the species..
The genetic content built of proteins and nucleic acid found in the nucleus of cells are called chromosomes.
The reduction of the chromosome is essential for sexual reproduction.
- In this sort of reproduction gametes from each parent fuse to form offspring.
- Each parent provides half the number of chromosomes (n) to form a complete offspring with the total set of chromosomes (2n).
- In the process of gamete formation chromosomes, get halved due to meiosis.
- The reproductive gametes from both the parent combine via fertilization and form the diploid offspring.
Therefore for a diploid offspring to be formed the gametes need to be haploid.
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