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This is trisomy 21 i.e. Downs syndrome

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17y ago

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What happens during meiosis that results in a defect characterized by the deletion of a chromosome?

what happens during meiosis that results in a defect characterized by the deletion of chromosomes


Is hemophilia a defect?

Hemophilia is a genetic mutation of the sex-linked X chromosome.


Which chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome?

The chromosomal defect you are describing is known as a translocation. In a translocation, a segment of one chromosome breaks off and is reattached to a different chromosome, which can lead to genetic imbalances and various genetic disorders. This type of defect can occur in both somatic cells and germ cells and is often associated with certain cancers and congenital conditions.


Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?

The chromosomal defect caused when part of a chromosome breaks off and reattaches backward on the same chromosome is known as an inversion. Inversions can disrupt gene function and regulation, potentially leading to various genetic disorders or developmental issues. They may not always result in visible phenotypic changes but can affect the offspring if they occur in germ cells.


Who would be a sex-linked recessive defect?

Hemophilia, a blood clotting disorder, is an example of a sex-linked recessive defect. It occurs more commonly in males because the gene for hemophilia is located on the X chromosome. Females are usually carriers of the gene but are less likely to exhibit symptoms.

Related Questions

What kind of defect is CGD?

recessive defect meaning that both copies of the chromosome must have the defect before it can be expressed. Females who have one X chromosome without the defect do not get this disease. Males, since they only have one X chromosome, get the disease


What is an example of a birth defect in which there is abnormality in the chromosome structure?

Down's Syndrome is an example of a birth defect characterized by an abnormality of the chromosome structure.


What is a growth defect in cells?

A growth defect in cells is called you !


What happens during meiosis that results in a defect characterized by the deletion of a chromosome?

what happens during meiosis that results in a defect characterized by the deletion of chromosomes


What does Congenital heart?

"Congenital" means present at birth. So, a congenital heart defect is a defect (structural anomaly) that is present at birth. 1 in 100 babies are born with a congenital heart defect.


Is hemophilia a defect?

Hemophilia is a genetic mutation of the sex-linked X chromosome.


What does syndrome mean?

This is a birth defect. A person born with this has an extra chromosome 21.


Which chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome?

The chromosomal defect you are describing is known as a translocation. In a translocation, a segment of one chromosome breaks off and is reattached to a different chromosome, which can lead to genetic imbalances and various genetic disorders. This type of defect can occur in both somatic cells and germ cells and is often associated with certain cancers and congenital conditions.


What is the chromosomal defect that causes Prader Willi?

its when seven genes chromosome 15 are missing or ununexpressed on the paternal chromosome.


What conditions increase an unborn baby's chances of undergoing intrauterine growth retardation?

Exposure to an infection, including German measles (rubella), cytomegalovirus, tuberculosis, syphilis, or toxoplasmosis; A birth defect (like a severe cardiovascular defect); A chromosome defect


What is defect cascading?

Defect cascading explains how one defect leads to other defects. For Example, employee application salary calculations are not correct when totaling Basic, Tax and Gross, so for this issue defect raised. In this case other modules will block and also same defect will exists in all those modules due to this defect. This is called Defect Cascading.


What congenital anomaly?

a defect of the body present from birth