In humans, XO individuals are females with Turner syndrome and XXY individuals are males with Klinefelter syndrome. Red-green color blindness is caused by an X-linked recessive allele. Suppose a color-blind man and a woman with normal vision and no family history of color blindness married and had a daughter who was color blind and had Turner syndrome. Which event could have given rise to this offspring?
A) nondisjunction at meiosis I in the mother
B) nondisjunction at meiosis II in the mother
C) nondisjunction at meiosis I in the father
D) nondisjunction at meiosis II in the father
E) nondisjunction at either meiosis I or meiosis II in the mother
E) nondisjunction at either meiosis I or meiosis II in the mother
You might also like to view...
The sharing of two pairs of electrons between two atoms is called a(n) ____________________
Fill in the blank(s) with the appropriate word(s).
Which simple sugar is the main energy source for body cells?
a. fructose b. sucrose c. lactose d. glucose e. galactose
Vertebrate lungs probably evolved from simple outpocketings of the digestive tract of a freshwater fish
Indicate whether the statement is true or false
The rate of photosynthesis is much greater in green light than red light.
Answer the following statement true (T) or false (F)