Examine Figure 23.2 in your textbook. If we defined a taxon to include only the extant coelacanths and lungfish but not their most recent common ancestor, it would be a _____ group
A. monophyletic
B. paraphyletic
C. polyphyletic
C
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The influence of genetic drift on allele frequencies
increases as a. gene flow increases. b. population size decreases. c. mutation rate decreases. d. the number of heterozygous loci increases. e. random mating increases.
The ability to roll the edges of the tongue upward in a U-shape is considered to be an inherited trait. The standard assumption is that tongue-rolling is a dominant allele at a single gene locus. Which of the following would cast doubt on this assumption? Select all that apply.A) A student who can roll his tongue has both a mother and father who cannot.B) In a large research study, the majority of tongue-rollers were male.C) A research study with 1,000 participants reports that most non-tongue-rollers can learn to roll their tongues.D) A student who cannot roll his tongue has both a mother and father who can.
What will be an ideal response?
Deductive reasoning is used to make ________ based on a hypothesis
A) correlations B) data C) predictions D) statistical tests
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