As aging occurs, people's ability to concentrate on a task for an extended period of time ____

There appears to be an inverse relationship between weight in children and socioeconomic status, such that the proportion of overweight children increases as family income falls

Indicate whether this statement is true or false.

What does a person who has cystic fibrosis, a life-threatening lung disease, have in common with a person who has a cleft chin?

a. They both received their condition from the genes passed from their mother. b. They both received their condition as a result of a dominant set of gene alleles. c. They both received their condition from a single gene pair. d. They both received their condition as a function of mitotic mutation.