A color-blind woman with Turner syndrome (XO)has a father who is color blind.
Given that the gene for the color-blind condition is recessive and X-linked,provide a likely explanation for the origin of the color-blind and cytogenetic conditions in the woman.

Question

Quizplus · Accepted Answer

The Answer is The woman inherited an Xʳᵍ chromosome from the father.Nondisjunction in the female (either at meiosis I or II)produced an egg with no X chromosome,which,when fertilized by the Xʳᵍ-bearing sperm,produced the Turner syndrome condition.

A Color-Blind Woman with Turner Syndrome (XO)has a Father Who