Red-green color blindness

Related BrainMass Solutions

• Inheritance of color blindness

  Son AB1 - normal Son AB2 - red green color blind Son AB3 - red green color blind The most likely cause for the sons' red green color blindness is a recessive allele carried on the X chromosome (X) because both normal and red green color blind

• Color Blindness

  Red/Green color blindness is by far the most common form, about 99%, and causes problems in distinguishing reds and greens.

• Example of X-linked recessive inheritance

  "Red-green color blindness simply means that a person cannot distinguish shades of red and green (usually blue-green). Their visual acuity (ability to see) is normal.

• X-linked Inheritance & Autosomal inheritance

  95582 X-linked Inheritance & Autosomal inheritance In humans, red-green color blindness is recessive and X-linked, while albinism is recessive and autosomal.

• Atypical inheritance

  Why do the alleles for red/green color blindness, Duschenne muscular dystrophy and hemophilia not follow typical inheritance patterns?

• Practice problems

  Red-green color blindness is X-linked recessive. A woman with normal color vision has a father who is red-green color-blind. The woman has four sons, none of whom are color-blind.

• X-linked disorders and self-esteem

  For example, if a mother is red-green color blind, meaning she has two recessive genes for red-green color blindness, and she gives one X chromosome to her son, then her son will have red-green color blindness.

• Sex-Linked Traits on Genes Located

  A woman with normal blood clotting and normal color vision, but whose father was a hemophiliac and whose mother was red-green colorblind, marries a man who is not a hemophiliac and is not colorblind.

• Working with conditional probability.

  The following table shows frequencies for red-green color blindness, where M represents "person is male" and C represents "person is color-blind."