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

It would be B. XY, XY, XY, XY, XX, XX, XX because the male gamete is Y, meaning 4 of these kittens are male, and 3 are female because they lack a Y gamete.

Answer 2

The four male kittens have genotype XY and the three females have XX.