mention three chromosomal disorders with their symptoms
Answers
Answer:
Down syndrome: This syndrome is a type of trisomy as there is an extra copy of chromosome 21. It is named so after the person who discovered this chromosomal disorder – Langdon Down. The symptoms in a person include the following:
The person is short and has a small and round head
Physical and mental development is retarded
Furrowed tongue and partially open mouth
Broad palm
Klinefelter syndrome: This genetic disorder arises due to the presence of an additional X chromosome in males. Thus, resulting in a chromosome count of 47 (44 + XXY) instead of 46.
Such a person has a masculine physique but has feminine development like the development of breasts
Such individuals are sterile, i.e.; they cannot reproduce
Turner syndrome: Unlike Klinefelter syndrome, in this chromosomal disorder there is the absence of one X chromosome in females. Hence, decreasing the chromosomes count to 45 (44 + X0). The symptoms include the following
Answer:
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Explanation:
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