Cats and dogs are believed to be descendants of the same animal

Theoretically, it is believed that through the practice of __________ virtually all DNA-linked diseases could be eliminated

a. eugenics and genetic testing b. artificial insemination and in vitro fertilization c. surrogacy and electroejaculation d. vaccines and The Best Interest of the Child laws

It is not considered acceptable to mix two or more styles in a single letter or communication

Indicate whether the statement is true or false