Phenylketonuria is an inherited disease caused by a recessive autosomal allele. If a woman and her husband are both carriers, what is the probability that their first child will be a phenotypically normal girl?
A) 1/4
B) 1/16
C) 3/16
D) 3/8
D
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The sugars that honeybees feed on are what type of macromolecules?
a. lipids b. carbohydrates c. proteins d. nucleic acids
Research by Christopher Cullis has shown that ____
a. the genome size of plants varies little between species b. the genome size of individual plants of the same species is constant c. a plant’s environment can act as a selective agent to establish advantageous variants, but these variants cannot be transmitted to the next generation d. a plant’s environment can act as a selective agent to establish advantageous variants, and these variants can be transmitted to the next generation e. the genome size of plants is related to plant size
Which of the following is a common cause of
interrupted breathing? a. sleep apnea b. lung cancer c. high altitude sickness d. low red blood cell count e. none of these
Which of the following contain enzymes used in the
breakdown of glucose and generation of ATP? a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula