Mary is pregnant with her first child and has recently had genetic testing to determine whether her baby-to-be is growing normally. Among other things, her test results indicate that the twenty-third chromosome pair of her fetus includes one X chromosome and one Y chromosome. This means that:

Question

Quizplus · Accepted Answer

The presence of one X chromosome and one Y chromosome in the twenty-third chromosome pair indicates a male child, as this is the typical chromosomal pattern for males.

Mary Is Pregnant with Her First Child and Has Recently