One of the reasons that pufferfish are a good species to compare to humans is because
A. it is so easy to hybridize the two and investigate the consequences.
B. they are so distantly related that it's easy to distinguish mutually conserved sequences.
C. the introns are often identical.
D. of the rapid response time in pufferfish to artificial selection.
E. they have been separated for so many millions of years and yet the gene sequence is almost identical.
B. they are so distantly related that it's easy to distinguish mutually conserved sequences.
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An unrooted tree containing four unrelated species can become rooted by adding
A. a descendant group related to two of the species. B. an unrelated outgroup. C. a descendant related to only one of the species. D. a distantly related outgroup.
The developmental fate of a cell is established by the process termed
A) development. B) differentiation. C) determination. D) specialization. E) A, B, and C only
Which mechanism would prevent interbreeding between two species of fish living in the same habitat?
a. sympatric isolating mechanisms b. allopatric isolating mechanisms c. equilibrium isolating mechanisms d. reproductive isolating mechanisms e. preadaptive isolating mechanisms
Inheritance pattern in which there are more than two alleles for a particular trait; each individual has only two of all possible alleles. ex. ABO blood types
What will be an ideal response?