Advertisements
Advertisements
Question
Give reasons for the development of Turner’s syndrome and also mention its symptoms.
Advertisements
Solution
Turner Syndrome (X monosomy/XO females):
- It is a sex chromosomal disorder caused due to non-disjunction of chromosomes during gamete formation.
- Individual born with Turner syndrome has 44 autosomes with XO.
- They are phenotypically female. They have short stature (height) and webbed neck, lower posterior hair line, broad shield-shaped chest, poorly developed ovaries and breast, and low intelligence.
APPEARS IN
RELATED QUESTIONS
What do sex linked traits appear in males than in females?
What is the reason for the 21st trisomy?
Give a detail account of thalassemia.
Choose the correct option which appropriately classifies the following disorders into Mendelian and chromosomal disorders:
Colour blindness, Down syndrome, Sickle cell anaemia, Turner syndrome, Thalassemia, Haemophilia, Phenylketonuria, Klinefelter syndrome.
Down’s syndrome is due to ______.
Mongolism is a genetic disorder which is caused by the presence of an extra chromosome number ______.
Read the following and answer from given below:
Turner's syndrome is an example of monosomy. It is formed by the union of an allosome-free egg and a normal 'X' containing sperm or a normal egg and an allosome-free sperm. The individual has 2n = 45 chromosomes (44 + X0) instead of 46. Such individuals are sterile females who have rudimentary ovaries, underdeveloped breasts, small uterus, short stature, webbed neck, and abnormal intelligence. They may not menstruate or ovulate. This disorder can be treated by giving female sex hormones to women from the age of puberty to make them develop breasts and have menstruation. This makes them feel more normal.
Turner's syndrome is a/an ______
Identify chromosomal disorder caused due to non-disjunction of the 21st number of chromosomes and enlist its symptoms.
Which of the folowing is a correct match?
What are chromosomal disorders?
