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How many future children of the affected individual will be carriers?

PKU (phenylketonuria) is an enzyme deficiency disease that only develops in individuals who are homozygous recessive for that gene. An individual with PKU has parents that do not have this disease. What is the parents’ genotype for the gene responsible for PKU? What is the probability that they may have another child with PKU? How […]

The location of the testes and epididymides in the scrotum?

Calcitonin a. promotes the absorption of calcium from the gastrointestinal tract. b. promotes osteoclast activity in the bones. c. reduces calcium excretion by the kidneys. d. reduces extracellular calcium ion levels. e. increases blood calcium levels. The location of the testes and epididymides in the scrotum a. allows more room for other organs in the […]