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Is achondroplasia nondisjunction?
No, achondroplasia is not caused by nondisjunction. Achondroplasia is a genetic disorder caused by a spontaneous mutation in a gene involved in bone growth. Nondisjunction is a genetic event that occurs during cell division and can lead to abnormal chromosome numbers in offspring.
Why are sex linked disorders seen in mostly males?
Males are most likely to have the disorder.
What occurs during nondisjunction?
Nondisjunction is a chromosomal abnormality that results in the failure of homologous chromosomes or sister chromatids to separate properly during cell division. This can lead to an uneven distribution of chromosomes in daughter cells, causing genetic disorders or conditions such as Down syndrome.
What is a sex-linked disorder and how does it affect individuals?
A sex-linked disorder is a genetic condition caused by a gene located on the sex chromosomes. These disorders primarily affect individuals of a specific sex, usually males, because they have only one X chromosome. This can result in a higher likelihood of males inheriting the disorder compared to females. Sex-linked disorders can impact various aspects of health, such as vision, blood clotting, and muscle function, leading to symptoms and complications that can vary in severity.
What is it called when chromosomes don't separate correctly during meiosis?
This is known as nondisjunction. It is a mistake that can occur during cell division in meiosis, leading to an incorrect distribution of chromosomes in the resulting gametes.
Is achondroplasia nondisjunction?
No, achondroplasia is not caused by nondisjunction. Achondroplasia is a genetic disorder caused by a spontaneous mutation in a gene involved in bone growth. Nondisjunction is a genetic event that occurs during cell division and can lead to abnormal chromosome numbers in offspring.
Is Rett syndrome a nondisjunction disorder?
No, Rett syndrome is not a nondisjunction disorder. It is primarily caused by mutations in the MECP2 gene, located on the X chromosome, and is typically inherited in an X-linked dominant manner. Nondisjunction disorders, such as Down syndrome, result from errors in chromosome separation during cell division. In contrast, Rett syndrome arises from specific genetic mutations rather than chromosomal abnormalities.
What does klinefelters syndrome come from what type of mutation?
Klinefelter syndrome is caused by the presence of an extra X chromosome in males due to a random error in cell division, known as nondisjunction. This results in a chromosomal mutation where males have an additional X chromosome, leading to physical and developmental differences.
What is a chromosomal disorder that could result from nondisjunction?
Disorders, such as Down's Syndrome, are caused by nondisjunction.
The faillure of chromosomes to separate during meiosis is called?
The failure of chromosomes to separate during meiosis is called nondisjunction. This can result in an incorrect number of chromosomes in the daughter cells, leading to genetic disorders such as Down syndrome.
What is the main reason that sex-linked disorder are most often observed in males?
Males are most likely to have the disorder.
What is the difference between translocation and nondisjunction?
Nondisjunction is when a Chromosome is unable to separate correctly during cell devision. Translocation (In Chromosomes) is when an abnormality is caused by the rearrangement of parts between non-homologous Chromosomes.
Does cystic fibrosis affect more males?
No, cystic fibrosis affects males and females equally. It is an inherited genetic disorder caused by mutations in the CFTR gene, which can be passed down from each parent who carries a mutated gene.
What are the three types of nondisjunction?
The three types of nondisjunction are autosomal nondisjunction, sex chromosome nondisjunction, and structural chromosome nondisjunction. Autosomal nondisjunction involves the failure of homologous chromosomes to separate during cell division. Sex chromosome nondisjunction involves the failure of sex chromosomes to separate. Structural chromosome nondisjunction involves the incorrect separation of chromosome parts during cell division.
What is the cause of xyy syndrome and genetics?
XYY syndrome is caused by an extra Y chromosome in males. This condition typically occurs due to a random error in cell division during either the formation of the sperm or the egg. It is not inherited and does not have a clear genetic cause.
Why are sex linked disorders seen in mostly males?
Males are most likely to have the disorder.
Can reflex sympathetic dystrophy be caused by a pain disorder?
RSD, or CRPS, is classified as a pain disorder. It is usually caused by an injury, and is not usually caused by another pain disorder. In rare cases, if you re-injure a limb affected by another pain disorder you can get RSD, but not directly from another pain disorder.
