Question

George’s cat had a litter of seven kittens. Four of the kittens are male. Three are female. Which set of symbols correctly describes the gender of the kittens?
A. XX, XX, XX, XX, XY, XY, XY

B. XY, XY, XY, XY, XX, XX, XX

C. Y, Y, Y, Y, X, X, X

D. X, X, X, X, Y, Y, Y

Answer 1

XY represent the male and XX represent the female so as George cats has seven kittens out of which four of the kittens are male, three are female . 
B. XY, XY, XY, XY, XX, XX, XX  is the correct answer.