The atomic mass of an element whose atoms consist of six protons, seven neutrons, and six electrons is

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food