Consider the following statements regarding the Edwards syndrome:1. It is an autosomal chromosomal disorder due to an extra copy of chromosome 18.2. It affects childandrsquo;s body development and growth.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?

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Consider the following statements regarding the Edwards syndrome:

1. It is an autosomal chromosomal disorder due to an extra copy of chromosome 18.

2. It affects child’s body development and growth.

Which of the statements given above is/are correct?

a)
1 only
b)
2 only
c)
Both 1 and 2
d)
Neither 1 nor 2

Correct answer is option 'C'. Can you explain this answer?

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Daily Current Affairs MCQ- February 26, 2024

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Consider the following statements regarding the Edwards syndrome:1. It...

Researchers have reported chromosomal disorders discovered from prehistoric skeletal remains, dating up to approximately 5,500 years old — including six cases of Down syndrome and one case of Edwards syndrome.

It is also known as trisomy 18.
It is an autosomal chromosomal disorder due to an extra copy of chromosome 18.
It is a very severe genetic condition that affects child’s body development and growth.
Symptoms: Children diagnosed with trisomy 18 have a low birth weight, multiple birth defects and defining physical characteristics.
There are three types of Edwards syndrome
Complete trisomy 18:
It is the most common form (94%).
In this type, every cell contains three complete copies of chromosome 18.
The extra chromosome is most often of maternal origin.
Mosaic trisomy 18:
It is the second most common type (less than 5%).
In this type, both a complete trisomy 18 and a normal cell line exist.
Partial trisomy 18:
In this type, only a partial segment of chromosome 18 is present in triplicate.
The partial triplicate often results from a balanced translocation or inversion carried by one of the parents.
Treatment: There are no specific treatments for trisomy 18. Treatment will focus on the symptoms of the condition, such as heart conditions, breathing difficulties and infections.

Hence both statements are correct.

Answered by Notes Wala · View profile

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Consider the following statements regarding the Edwards syndrome:1. It is an autosomal chromosomal disorder due to an extra copy of chromosome 18.2. It affects child’s body development and growth.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?

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