The autosomal (not X-linked) gene for brachydactyly, short fingers, is dominant to normal finger length. Assume that a female with brachydactyly in the heterozygous condition is married to a man with normal fingers. What is the probability that their
first child will have brachydactyly?
A) 1/8 B) 1/4 C) 2/3 D) 1/2 E) 3/4
Answer: D
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Intrinsically unstructured proteins:
A. have no function because they are unstructured. B. only function in membranes. C. are capable of binding to several different sites on different partners. D. are more common in bacteria than in humans. E. are only observed in diseased cells.
Which of the following was demonstrated by the Miller-Urey experiment?
A. Life began in the oceans. B. Life can be started experimentally in the laboratory. C. Organic molecules important to life could have been formed from a vast array of simple chemicals. D. Life began on the pre-biotic Earth 3.5 billion years ago.
What is the most abundant metabolic waste produced by animals?
a. ketones b. sodium ions c. ammonia d. uric acid e. water
An essential amino acid is one that the body cannot synthesize in sufficient amounts
__________________Indicate whether the statement is true or false.