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Questions and Answers
Which of the following best describes euploidy?
Which of the following best describes euploidy?
- A condition where an organism has an exact multiple of a complete set of chromosomes (correct)
- A condition where a cell has one complete set of extra chromosomes
- A condition where an organism has one complete set of extra chromosomes
- A condition where a cell 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?
What is the term for the condition in which an organism has lost or added one or more chromosomes to the normal set?
- Euploidy
- Polyploidy
- Aneuploidy (correct)
- Triploid
Which chromosomal condition is associated with Down's syndrome?
Which chromosomal condition is associated with Down's syndrome?
- Double trisomy
- Trisomy (correct)
- Nullisomic
- Monosomics
The loss of one homologous chromosome is characteristic of which condition?
The loss of one homologous chromosome is characteristic of which condition?
What type of gene becomes active oncogenes when mutated, leading to uncontrolled cell division?
What type of gene becomes active oncogenes when mutated, leading to uncontrolled cell division?
Which type of gene recognizes uncontrolled cell division and acts to suppress it?
Which type of gene recognizes uncontrolled cell division and acts to suppress it?
What may result from mutations on body cells but cannot be inherited?
What may result from mutations on body cells but cannot be inherited?
In the context of mutations in body cells, what do proto-oncogenes often become when mutated?
In the context of mutations in body cells, what do proto-oncogenes often become when mutated?
'Mental retardation' is caused by the deletion of which chromosome number?
'Mental retardation' is caused by the deletion of which chromosome number?
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