Roberta and Paul are the proud parents of a new baby girl. This means that when they conceived their child, the 23^rd chromosome in Roberta's egg cell was a(n) ___________, and the 23^rd chromosome in Paul's sperm cell was a(n) ___________.

Question

Quizplus · Accepted Answer

The correct answer is A) X; X because for a baby girl to be conceived, the egg cell from the mother (Roberta) must carry an X chromosome (as all human egg cells do), and the sperm cell from the father (Paul) must also carry an X chromosome. The combination of XX results in a female child.

Roberta and Paul Are the Proud Parents of a New