9 Questions
Which of the following best describes euploidy?
A condition where an organism has an exact multiple of a complete set of chromosomes
What is the term for the condition in which an organism has lost or added one or more chromosomes to the normal set?
Aneuploidy
Which chromosomal condition is associated with Down's syndrome?
Trisomy
The loss of one homologous chromosome is characteristic of which condition?
Nullisomic
What type of gene becomes active oncogenes when mutated, leading to uncontrolled cell division?
Proto-oncogenes
Which type of gene recognizes uncontrolled cell division and acts to suppress it?
Tumor-suppressor genes
What may result from mutations on body cells but cannot be inherited?
Cell damage
In the context of mutations in body cells, what do proto-oncogenes often become when mutated?
'Cancerous' genes
'Mental retardation' is caused by the deletion of which chromosome number?
'Chromosome number 5'
Test your knowledge on genetic variations in chromosome numbers with this quiz. Learn about euploidy, polyploidy, and aneuploidy, and their impact on organisms and cells.
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