Conception takes place when ........., from a male, fertilizes a female's egg. sperm shells wires nets
Parents, who've never had children before, are often extremely excited and nervous before having their .........-born child. prime first middle infant
A child who is born last in a family is called the ......... child. eldest youngest middle first-born
......... twins are two babies who are born at the same time (or very close to the same time) and have the same DNA. Fraternal Brother Identical Middle
On the other hand, ......... twins are two babies who share their mother's womb and are born at the same time (or close to the same time), but do not have the exact same DNA. fraternal sister identical younger
A ......... child is born after the first child but before the youngest child. average median mean middle
An ......... child doesn't have any brothers or sisters. lonely solely ideal only
......... are three babies that share their mother's womb and are born at the same time (or close to the same time). Quadruplets Quintuplets Triplets Doublets
First-......... parents are often inexperienced, but are usually eager to learn about parenting. benefit change time scene
In North America, the youngest child is often called the ......... of the family. mouse tater baby only