A condition characterized by not having an exact number of chromosomes in a diploid set is called
Polyploidy
Synploidy
aneuploidy
None of these
In which disorder $XXY$ karyotype is present ?
Failure of cytokinesis after ...$A$... stage of cell division results in an increase in a whole set of chromosomes in an organism called ...$B$...
In Down's syndrome $(Mongolism)$ each cell has how many chromosomes
Find out correct pair.
Trisomic condition of Down's syndrome arises due to