Ascientist wants to change the dna of a sexually reproducing organism and have the new dna present in every cell of the organism. in order to do this after fertilization, she would change the dna in which of the following?

testes of the father

placenta

zygote

ovaries of the mother

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen