In humans, "unattached" earlobes are dominant over "attached" earlobes. Widow's-peak hairline is dominant over non-widow's-peak hairline. Use E and e for the earlobe phenotype alleles and W and w for the hairline phenotype alleles. A woman and a man,
both with genotype EeWw, have a child. What is the probability that the child will have attached earlobes and a widow's peak?
A) 9/16 B) 3/16 C) 3/4 D) 1/3 E) 1/16
Answer: B
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a. is a lung disease caused by Histoplasma capsulatum b. causes apple scab c. is a brown rot of peaches, destroying them before they reach market d. taints rye, causing vomiting, diarrhea, and hallucinations in people who eat it
Which level of taxonomy encompasses all of
the others?
a. family b. class c. order d. species e. genus
Fire can move, grow, reproduce, use energy, consume oxygen, and interact with its environment. Why is it not alive?
A) It does not have cells. B) It does not consist of complex, well-ordered structures. C) It does not pass on genes for traits to its offspring. D) All of the above are correct.
What is a toxic metabolic waste product formed primarily by the breakdown of proteins?
A. Kidney stones B. Ammonia C. Nephridia D. Uric acid E. Protonephridia