Which of the following is derived from the coca plant?

Which types of children are at-risk of child abuse?

a. Overly compliant children b. Children who are disabled c. Children who have two working parents d. Children who are overly shy

Chorionic villus sampling works because the chorionic villus

A) eventually forms the zygote, so the chromosomes and genetic codes are the same as those in the fetus will be. B) originates from the zygote, so the chromosomes and genetic codes are the same as those in the fetus. C) allows the mother and baby to share the same blood supply. D) contains all of the developing fetus's DNA and chromosomes.