Using a scratch sheet of paper, pencil and the alleles below, construct a punnett square to determine the likelyhood that fred and wilma flinstone will have a child with red hair. what is the percent chance that their child will be born a striking red-head like wilma (who obviously dyes her hair)? a 0%- no chance b 25% c 50% d 75% e 100%- all the way!

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