Doctor insights on:
Color Blindness Genetic Disorder
I have to do a genetic disorder report for class and was debating between color blindness and hemophilia. What are your opinions?
Both interesting: These are both fascinating diseases and the subject of much inquiry. Look on wikipedia and you will find much to talk about. The issues are quite different but the underpinning for each is genetic. The hemophilia has had impacts on history such as the family of queen victoria. Color deficiency has caused some famous accidents. Have fun. ...Read more
A genetic disease is a disease that is caused by a defect in the genetic (dna) material in a gene(s). It can be inherited and mosy pose a risk to other family members and/or to future children. For many genetic diseases there are molecular tests that allow detection of a change(s) called mutations, we can also detect deltions or other changes to the gene's dna that can also result ...Read more
I'd always known about color blindness as a sex linked inheritable disorder. But i read on wikipedia that it can also be acquired. How?
Mutations (changes) : Changes in genes (regulatory elements) in every cell are inherited and may affect color vision. Thede changes are statistically much more significantt in males than females because the latter often have normal color vision genes to compensate. Inhered color blindness thus is more common in males, but color deficit also can result from some eye diseases, in either sex. ...Read more
Typically one: The mutations in genes affecting color vision are typically on the x-chromosome, but it has been shown that occasionally other chromosomes may be involved (perhaps as many as 20 different ones). Since males have only one x-chromosome (females two), color deficit is much more common in males (second x-chromosome in the female may be normal, to compensate). ...Read more
Color vision anomaly: Color blindness is a misnomer, as most color blind people see some colors, they just see the hues differently than the norm. This can be an advantage if looking at camoflage. Our cone cells come in three types to see red, blue and yellow, and the receptors in color vision defect patients are either lacking or at lower levels than i. ...Read moreSee 2 more doctor answers
It's in the genes: Color blindness is a genetic mutation that causes the receptors in the film layer of the eye (retina) to be unable to differentiate certain colors (blue, green etc.). There are several different forms of color blindness, related to the different mutations that can arise. Since most of us do not get the mutation, we have "normal" color perception. ...Read moreSee 2 more doctor answers
From a medical standpoint, "genetic" refers to the potential heritability of various medical conditions. While some conditions are inevitable (at some point in one's life) as a consequence of simple genetic heritability (eg huntington's disease), a large number of medical conditions (including all behaviorial health disorders) are the expressed final pathway of a ...Read more
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