The correct answer is D :)
A child's gender (male or female) is determined by the chromosome that the male parent contributes.
Females have XX sex chromosomes.
Males have XY sex chromosomes.
A male infant results if the male contributes his Y chromosome while a female infant results if he contributes his X chromosome.
The overall biodiversity in the Gulf of Mexico has gone down since the Deepwater Horizon spill. I hope this helps.
