the following pedigree, the indicated trait most likely is caused by which type of allele?





A) autosomal recessive

B) autosomal dominant

C) X-linked recessive

D) X-linked dominant

E) Y-linked


D) X-linked dominant

Biology & Microbiology

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The substances that donate electrons to the electron transport chains of chemolithotrophs are ________.

A. lipids B. carbohydrates C. inorganic compounds D. methane gas and alcohols

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_____________ is the primary force responsible for changes in allelic frequency of deleterious mutations. _______________ is the primary force responsible for changes in allelic frequency of neutral mutations

A. Genetic drift; Natural selection B. Natural selection; Genetic drift

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The most dangerous arrhythmia is ____

a. bradycardia b. heart failure c. tachycardia d. atrial fibrillation e. ventricular fibrillation

Biology & Microbiology

The most objective way to construct a phylogeny is to focus on characters

A. inherited from a common ancestor. B. that confer adaptedness to a particular habitat. C. that are large in size. D. acquired during an organism's lifetime.

Biology & Microbiology