Genetics of Male Infertility - Glossary

Mutant - An organism harboring a mutation

Trisomy - A condition ,which arises due to the presence of an extra chromosome.An example is Down syndrome, where the individual has an extra chromosome 21

Mitosis - A division by which the cells reproduce, wherein the resultant cells are the replica of the parent cell.

Meiosis - A special kind of cell division,called reduction division, that takes place in the testes and the ovaries, which produces eggs and sperms that are haploid

Consanguinous marriage - A marriage between two closely related individuals

Euploidy - When an organism has the regular chromosome number,example 46 numbers in humans, it is euploid.

Aneuploidy - When an organism has an abnormal number of chromosomes as in Down Syndrome,it is known as aneuploidy.

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