Homologous chromosomes contain the same ____ but may contain different ____.

a)alleles, genes
b)sister chromatids, genes
c)alleles, sister chromatids
d)genes, sister chromatids
e)genes, alleles


e)genes, alleles

Biology & Microbiology

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The three phylogenetic trees shown here all contain the same members and all have a common ancestor, but are divided up in three different ways. Which tree has members circled that are of more than one evolutionary line and does not include the most recent common ancestor of the included lineages? What type of group is this?



A. Tree 1; monophyletic.
B. Tree 2; polyphyletic.
C. Tree 2; paraphyletic.
D. Tree 3; monophyletic.
E. Tree 3; polyphyletic.

Biology & Microbiology

What are the 2 main anatomical adaptations that contributed to the evolutionary success of arthropods?

What will be an ideal response?

Biology & Microbiology

Water balance is maintained by the structures labeled

a. 1 and 3. b. 5 and 9. c. 7 and 8. d. 6 and 9. e. 1 and 6.

Biology & Microbiology

Which of the following lists stages of a lytic replication cycle in order, from earliest to latest stages? I. Synthesis II. Assembly III. Attachment IV. Release V. Entry

A) III, V, I, II, IV B) III, II, V, I, IV C) V, III, II, IV, I D) I, III, V, II, IV E) I, II, III, V, IV

Biology & Microbiology