Sexual dimorphism has arisen as a result of
a. stabilizing selection.
b. heterozygote superiority.
c. kin selection.
d. sexual selection.
e. directional selection
D
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Plasma cells produce (antibody/chemokine/cytotoxic) molecules.
Fill in the blank(s) with the appropriate word(s).
Which of the following pairs of general transcription factors are released after transcription is initiated?
A. TFIIE and TFIIH B. TFIIF and TFIIH C. TFIID and TFIIE D. TFIID and TFIIH E. TFIIE and TFIIF
Mendel's discovery of his law of independent assortment would likely not have occurred if he had ________
a. selected any experimental organism other than garden pea plants b. selected any linked genes to study c. studied any traits that were carried on the same chromosome d. known that pea plants could self-fertilize
Which of the following would be analogous structures?
A. the wing of a bird and the wing of a bee B. the wing of a bee and the wing of a bat C. the wing of a bat and the wing of a bird D. All of these answers are correct.