In the f1 generation of a mendelian cross,
a. only the dominant trait is visible.
b. only the recessive trait is visible.
c. neither the dominant nor recessive trait is visible.
d. both the dominant and recessive traits are visible.

The answer to this question is actually A.

i think the answer would d

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d