Margot is pregnant with her first child,and she is deliriously happy! She and her husband have some tests taken,but before the doctor can come in and review the results,Jim sneaks a peek at the file with the test results.He sees that the baby has "two X chromosomes." He looks at his wife and says:

Question

Quizplus · Accepted Answer

The presence of two X chromosomes usually indicates that the baby will be a girl. Though it is possible to have conditions where there are two X chromosomes and a Y chromosome (such as Klinefelter syndrome), such cases are rare and usually not found on routine prenatal testing. Therefore, the most likely answer is that Margot is carrying a baby girl. Choices A and B are incorrect because they assume that the baby is a boy or twins respectively, which is not indicated in the test results. Choice D is a joke answer and not a serious possibility.

Margot Is Pregnant with Her First Child,and She Is Deliriously