What is the cause of patau syndrome?

10 answers
Question:

What is the cause of patau syndrome?

Answers

Patau syndrome is the result of unique distribution of chromosomal pair of three in place of two.

Explanation:

A chromosomal disorder resulting in physical and intellectual disabilities of a child is widely known as Trisomy 13 or Patau syndrome. The symptoms include- defect in heart, abnor-mality in brain and spine, poor development of eyes, unusual number of fingers, a cleft lip or cleft palate and hypotonic or weakness in muscle.

The extra pair of chromosome, the pair of three, either in every cell or in few cells of the body is the main cause of this disease.  However, it can also occur if the chromosomes are translocated.

Patau syndrome cause:

In some rare instances, a single cell in the body has triple copies of chromosome 13 when it's supposed to be only two copies. This results in Trisomy 13 and the Patau syndrome slowly follows. Patau syndrome can also occur when a small section of chromosome 13 gets attached to another chromosome.

Patau syndrome is similar to Edwards's syndrome or Down syndrome. This syndrome affects around 1 in 10,000 live births. Out of those affected, around 90 percent of the infants die in their first year of life. Those who survive are usually disabled severely either mentally or physically.

The correct answer is -

D.) trisomy.

Explanation:

Patau syndrome can be described as a genetic disorder that is caused by the presence of an extra copy of chromosome number 13.

In other words, when a person has three copies of chromosome 13 instead of normal two copies, this disorder is developed.

It occurs due to abnormal cell division during reproduction. As there are three copies of chromosome 13, therefore it is also called Trisomy 13.

Thus, option D) is the right answer.

Answer;

-Trisomy

Explanation;

-Trisomy is a chromosomal disorder characterized by an additional chromosome, so the person has 47 instead of 46. An example of trisomy is the Patau syndrome.

-Patau syndrome or trisomy 13 is a type of chromosome disorder characterized by having 3 copies of chromosome 13 in cells of the body, instead of the usual 2 copies. Trisomy 13 cases are caused by random events during the formation of eggs or sperm in healthy parents (meiosis).

D) trisomy

Explanation:

Patau syndrome is one of the most known genetic abnormalities, characterized by trisomy on chromosome 13.

Normally, humans have 23 pairs of chromosomes, in other words, a total of 46 chromosomes (the father's plus the mother's), divided into 23 pairs of 2 chromosomes.

A trisomy phenomenon occurs when an individual has 3 chromosomes in a given group. In the case of Patau syndrome, the affected group is 13.

Patau's syndrome usually originates from female gametes and occurs by non-disjunction of chromosomes during anaphase 1 (separation of homologous chromosomes), giving rise to gametes with 24 chromotides instead of 23.

Its D your welcome

The answer is trisomy 13.


Trisomy 13 is a condition in which an extra copy of chromosome 13 is present. Instead of two chromosomes 13 in a cell, there are three chromosomes. This is a consequence of a failure of chromosome 13 to separate during the gamete development. Thus, an egg cell or a sperm cell will have two instead of one chromosome 13 and after a cross with normal gamete cell, a zygote will have three chromosomes 13.

The correct answer is term Trisomy which is three copies of a particular chromosome (chromosome 13 in Patau syndrome) instead of two copies.

Explanation:

An error in cell division known as nondisjunction leads in a sex cell with an abnormal number of chromosomes results in trisomy. A trisomy is a disorder characterized by the addition of a chromosome, so the person has 47 chromosomes instead of 46.

Edward syndrome, Down syndrome, and Patau syndrome are the very common forms of trisomy. Patau syndrome is a trisomy condition that causes multiple organ defects in the individual.

Thus, The correct answer is term Trisomy which is three copies of a particular chromosome (chromosome 13 in Patau syndrome) instead of two copies.

The correct answer will be option D (trisomy).

Explanation:

Patau syndrome is a genetic disorder associated with physical abnormalities and severe intellectual disability. It is a type of chromosomal abnormality as it is caused by the formation of one extra copy of chromosome 13.

The extra copy of chromosome 13 comes from either mother or father due to error occur during formation of egg or sperm cells and attachment of that extra copy by a process called translocation causing cell to have three copies of same chromosome.

In patau syndrome, cells contains three copies of same chromosome instead of two, this condition is known as trisomy and since, chromosome 13 is involved it is also known as "trisomy 13".

Thus, option D trisomy is the correct answer.

Trisomy is the answer. Hopefully I could help :)

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