Answer:
Human
Guanine: 19
Thymine: 31
Cow
Cytosine: 22
Thymine: 28
Salmon
Guanine: 21
Thymine: 29
Wheat
Guanine: 23
Cytosine: 23
Thymine: 27
Yeast
Cytosine: 19
Thymine: 31
Step-by-step explanation:
Chargaff's rules state that in the DNA of any species and any organism, the amount of guanine should be equal to the amount of cytosine and the amount of adenine should be equal to the amount of thymine.
Since it is percentage, they will add up to 100%, which is how you find the one for wheat.