Sawyer is disappointed that her boyfriend has failed to help her again. He always has good intentions, but when it comes time to complete the task he is nowhere to be found. Sawyer's boyfriend is low in _______

The rate of smoking among U.S. male adults has ______

Fill in the blank with correct word

When examining the transmission of phenylketonuria (PKU), a recessive trait, we can clearly identify the ___________ when a child is afflicted with PKU

For the child not afflicted with PKU, we can only identify the ___________, since the child may or may not be a carrier. a. genotype; phenotype c. X-linked genes; Y-linked genes b. phenotype; genotype d. Y-linked genes; X-linked genes