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What is partial tandem duplication?
The extra chromosome segment may be located immediately after the normal segment in precisely the same orientation forms the tandemWhen the gene sequence in the extra segment of a tandem in the reverse order i.e, inverted , it is known asreverse tandem duplicationIn some cases, the extra segment may be located in the same chromosome but away from the normal segment - termed as displaced duplicationThe additional chromosome segment is located in a non-homologous chromosome is translocation duplication.
What is it called when extra copies of part of a chromosome are made?
It is called gene duplication when extra copies of a gene or segment of DNA are created within a chromosome. This process can lead to genetic variation and the emergence of new gene functions.
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.
A diploid cell missing a chromosome is called a?
The condition in which a diploid cell is missing a chromosome or has an extra chromosome is called aneuploidy.
What condition is caused by a chromosome going the wrong way during genetic formation producing a zygote with an extra chromosome?
An abnormal number of chromosomes is called aneuploidy. If a chromosome has 3 of its kind, it is trisomic. The exact condition depends on which gene has the extra chromosome.
What is the difference between translocation and addition?
Translocation involves the movement of a segment of a chromosome to another location within the genome. This can lead to genetic disorders if breakpoints disrupt important genes. Addition, on the other hand, refers to the introduction of extra genetic material into a chromosome, which can also cause genetic abnormalities.
What is partial tandem duplication?
The extra chromosome segment may be located immediately after the normal segment in precisely the same orientation forms the tandemWhen the gene sequence in the extra segment of a tandem in the reverse order i.e, inverted , it is known asreverse tandem duplicationIn some cases, the extra segment may be located in the same chromosome but away from the normal segment - termed as displaced duplicationThe additional chromosome segment is located in a non-homologous chromosome is translocation duplication.
What are the four types of chromosomal mutations?
There are four different types of chromosomal mutations: Deletions, Translocations, Duplications and Inversions
What is it called when extra copies of part of a chromosome are made?
It is called gene duplication when extra copies of a gene or segment of DNA are created within a chromosome. This process can lead to genetic variation and the emergence of new gene functions.
What is it called when a segment of a chromosome is repeated?
The mutation in which a segment of a chromosome is repeated is known as duplication.
How are the three chromosomal aberrations different from each other how are they similar?
The three chromosomal aberrations - deletion, duplication, and inversion - are different in terms of the changes they cause in the chromosome structure. Deletion involves the loss of a segment of the chromosome, duplication results in the presence of extra copies of a segment, and inversion entails the reversal of a segment within the chromosome. These aberrations are similar in that they can all lead to genetic disorders or abnormalities due to the changes in the chromosome structure they cause.
The difference between deletion duplication inversion and translocation?
Deletions are a loss of all or part of a chromosome. Duplications produce extra copies of parts of a chromosome. Inversions reverse the direction of parts of a chromosome. Translocations occur when part of one chromosome breaks off and attaches to another.
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
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.
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.
Is down syndrome a mutation?
Down Syndrome is caused by extra genetic material on Chromosome 21. About half of the children of people who have Down Syndrome are born with Down Syndrome themselves. See the Related Linksbelow to view an article about the genetics of Down Syndrome.
