A litter of pigs is born. Three are female, and three are male.

Question

Which set of symbols correctly describes the sex of each piglet?

Responses

XXY, XXY, XXY, XX, XX, XX

X X Y , X X Y , X X Y , X X , X X , X X,

​XX​ , ​XY​ , XX, ​XY​ , ​XY​ , XX

​ X X ​ , ​ X Y ​ , X X , ​ X Y ​ , ​ X Y ​ , X X,

X, X, X, Y, Y, Y

X, X, X, Y, Y, Y

XX, XX, XX, YY, YY, YY

X X , X X , X X , Y Y , Y Y , Y Y,

Answer 1

The correct set of symbols describing the sex of each piglet is:

XX , XY , XX, XY , XY , XX