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Which refers to the addition of an extra segment of a chromosome?

This is known as a chromosomal duplication, which involves the replication of a segment of a chromosome resulting in an extra copy. Duplication can lead to genetic disorders or variations in an individual's traits.


How does trisomy occur?

Trisomy occurs when an individual has three copies of a particular chromosome instead of the usual two. This can happen during the formation of sperm or egg cells, leading to an extra copy of the chromosome in the resulting embryo. Trisomy can result in conditions like Down syndrome, where there is an extra copy of chromosome 21.


An individual with an extra copy of chromosome 21 demonstrates traits collectively know as?

Down syndrome. This condition is characterized by developmental delays, distinct facial features, and potential health issues such as heart defects and cognitive impairment.


What chromosomal mutation causes an extra copy of chromosome 13?

Trisomy 13, also known as Patau syndrome, is a chromosomal mutation where there is an extra copy of chromosome 13 in each cell. This condition can lead to various physical and intellectual disabilities.


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.

Related Questions

What does an individual with an extra copy of chromosome 21 demonstrait traits of having?

down syndrome


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.


Which refers to the addition of an extra segment of a chromosome?

This is known as a chromosomal duplication, which involves the replication of a segment of a chromosome resulting in an extra copy. Duplication can lead to genetic disorders or variations in an individual's traits.


What is the correct term for an individual who has an extra copy of one chromosome or is missing a chromosome?

Singnalurear


What is the condition in which an individual has three copies of a chromosome?

The condition in which an individual has three copies of a chromosome is called trisomy. It can result in genetic disorders such as Down syndrome, which is caused by an extra copy of chromosome 21.


How does trisomy occur?

Trisomy occurs when an individual has three copies of a particular chromosome instead of the usual two. This can happen during the formation of sperm or egg cells, leading to an extra copy of the chromosome in the resulting embryo. Trisomy can result in conditions like Down syndrome, where there is an extra copy of chromosome 21.


A person who has an extra copy of a chromosome is said to have?

TRISOMY


An individual with an extra copy of chromosome 21 demonstrates traits collectively know as?

Down syndrome. This condition is characterized by developmental delays, distinct facial features, and potential health issues such as heart defects and cognitive impairment.


What type of mutation causes Edwards' syndrome?

An extra copy of Chromosome 18


What is Edwards' syndrome?

Edwards' syndrome is caused by an extra copy of chromosome 18


Will a child have autism if an extra chromosome is on the 21 pair?

no, an extra copy of chromosone 21 causes down syndrome


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...