Walter Sutton discovered that chromosomes are the basis of heredity and this explained the segregation of alleles in Mendel's law of segregation. Basically alleles and chromosomes in Mendel's explanation are the same thing.
The answer is bladder
The bladder stores urine and when the brain signals to release (when we have to go pee) it releases the urine through the urethra. The answer is not kidney because it doesn’t STORE the urine it filters waste and toxins in the body into the urine to be released from the body, the actual bladder itself is the organ that stores the urine in the body.
The two organs have different adrenergic receptors for NE.
