Which of the following inheritance patterns is matched with an inaccurate molecular basis?
A. Incomplete dominance: The protein produced by a wild-type allele affects the phenotype in a concentration-dependent manner.
B. Codominance: Two proteins are produced in heterozygotes.
C. Sex-influenced: Hormones alter the expression of proteins encoded by dominant and recessive alleles.
D. X-linked: Hemizygotes with the recessive allele do not make a functional protein, but heterozygotes do.
E. Simple Mendelian inheritance: The protein produced by a single allele cannot produce the dominant phenotype.
E. Simple Mendelian inheritance: The protein produced by a single allele cannot produce the dominant phenotype.
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The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which pair of species shares the greatest number of derived characters (synapomorphies)?
A. 4 and 5
B. 2 and 4
C. 1 and 4
D. 3 and 4
E. 2 and 5
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about cladistics?
Consider Possibilities
· What other information is related to the question? Which information is most useful?
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Meat, fruits, and vegetables could be
contaminated with E. coli strains toxic to humans when they come in contact with animal I. feces. II. urine. III. blood.
a. I only b. I and II c. II and III d. I and III e. I, II, and III
Which chemical, contained in the granules of basophils, helps prevent blood clot formation?
a. histamine b. leukotrienes c. prostaglandins d. heparin e. SRS-A
The biochemical reaction in aerobic cellular reaction requires
A) H2O B) O2 C) phospholipids D) CO2