Non-disjunction lead to the disease except ? a) patau's syndrome. b) T...
(c) colour blindness
Down Syndrome. The result of an extra copy of chromosome 21. ...
Patau Syndrome. The result of an extra copy of chromosome 13. ...
Edward's Syndrome. The result of an extra copy of chromosome 18. ...
Nondisjunction Of The Sex Chromosomes. ...
Klinefelter Syndrome. ...
Trisomy X. ...
Monosomy X (Turner's syndrome)
Non-disjunction lead to the disease except ? a) patau's syndrome. b) T...
Non-disjunction and Genetic Disorders
Non-disjunction is a genetic phenomenon that occurs when the chromosomes fail to separate properly during cell division, resulting in an abnormal number of chromosomes in the daughter cells. This can lead to various genetic disorders. However, one of the given options, color blindness, is not caused by non-disjunction. Let's explore the three genetic disorders caused by non-disjunction in detail:
Patau's Syndrome:
Patau's syndrome, also known as trisomy 13, is a chromosomal disorder caused by the presence of an extra copy of chromosome 13. This condition is a result of non-disjunction during the formation of eggs or sperm. Individuals with Patau's syndrome often experience severe intellectual disabilities, physical abnormalities, and have a reduced life expectancy.
Turner's Syndrome:
Turner's syndrome is a genetic disorder that affects females. It occurs when one of the X chromosomes is either missing or structurally altered. This condition is caused by non-disjunction during the formation of eggs. Turner's syndrome is characterized by short stature, infertility, and various physical abnormalities. It can also lead to additional health complications such as heart and kidney problems.
Down's Syndrome:
Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of an extra copy of chromosome 21. Non-disjunction during the formation of eggs or sperm leads to the occurrence of Down's syndrome. Individuals with Down's syndrome typically have distinct facial features, intellectual disabilities of varying degrees, and may also experience other health issues such as heart defects and gastrointestinal problems.
Color Blindness:
Color blindness, on the other hand, is not caused by non-disjunction. It is a genetic condition that is primarily inherited through the X chromosome. The genes responsible for color vision are located on the X chromosome, and the condition is more common in males. Color blindness occurs when these genes are mutated or absent, affecting an individual's ability to perceive certain colors.
In conclusion, non-disjunction can lead to various genetic disorders such as Patau's syndrome, Turner's syndrome, and Down's syndrome. However, color blindness is not caused by non-disjunction but rather by specific gene mutations or absences on the X chromosome.
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