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The condition in which an organism has complete extra sets of chromosomes is called polyploidy. This condition can cause a number of severe birth defects. Most do not live a full lifespan for their species.

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9y ago
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12y ago

This is the condition of polyploidy. Plants speciate by this method quite often.

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14y ago

Down syndrome is when you have three copies of the 21st chromosome so you have 47 chromosomes

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12y ago

polyploidy:)

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14y ago

The answer is a Polyploidy

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12y ago

Polyploidy

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13y ago

Polyploidy.

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Q: What is an extra set of chromosome?
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Related questions

This human karyotype is unusual because chromosome set?

21 has an extra genetic material .


What is characteristics of superfemale?

A superfemale has an extra X chromosome for a sex chromosome set of XXX. The characteristics of a superfemale is that she may have speech and verbal deficiency.


What are the causes of heredity diseases?

The causes of a hereditary disease is a missing chromosome, and extra chromosome. Like in Down Syndrome there is an extra chromosome 26.


What is the difference between Edward's syndrome and Patau's syndrome?

in Patau there is an extra chromosome in chromosome 13, in Edwars it the extra chromosome is in chromosome 18


Is klinefelter's syndrome an inheritance?

It is a condition in which human males have an extra X chromosome. It is inherited when the extra X chromosome is retained because of a nondisjunction event during meiosis I (gametogenesis).


What is the term for an individual who has an extra copy of one chromosome or is missing a chromosome - Is it something-'ploid'?

Aneuploid - the individual has an extra copy of one chromosome or is missing a chromosome.


Is it possible to have a XXY chromosome set for gender?

Yes. It is known as Klinefelter's syndrome. The extra X chromosome interferes with meiosis and usually prevents the affected males from reproducing.


What does it mean when someone has an extra chromosome?

If someone has an extra chromosome it means there was a genetic mutation that is abnormal in human development. It may result in problems with the person affecting them on a basic level, or may go fully unnoticed. A common disorder that can be caused by having an extra chromosome is Down's Syndrome.


What is trisomics?

A diploid cell with an extra chromosome. Basically a diploid with an extra chromosome of one type, producing a chromosome number of the form 2n + l.


Down syndrome is usually caused by an extra copy of what chromosome?

Down syndrome occurs because of the extra chromosome on chromosome 21. If you go onto google images and type in karyotype of Down syndrome, you will find a picture of the extra chromosome. Instead of having two chromosomes on chromosome 21, there is an extra. Type your answer here...


What is it when a diploid has an extra chromosome?

no


What type of mutation causes Edwards' syndrome?

An extra copy of Chromosome 18