Peppers that produce more capsaicin would lose fewer seeds to herbivores. This would lead to selection.
A. disruptive
B. stabilizing
C. artificial
D. sexual
E. directional
E. directional
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Which isolation technique is most effective for the majority of applications and is most commonly used for colony isolation in the laboratory?
A. Pour plate B. Culture plate C. Loop dilution D. Spread plate E. Streak plate
In echinoderms, gastrulation takes place through a primitive groove
____________________ Indicate whether the statement is true or false.
In Drosophila, flies that are XXY but have a normal diploid set of autosomes have been found. Such XXY chromosome constitutions have also been found in humans. The sex of such individuals is expected to be:
A. female in both Drosophila and humans. B. male in Drosophila but female in humans. C. male in both Drosophila and humans. D. intersexes in Drosophila and males in humans. E. female in Drosophila but male in humans.
Mitosis produces _______ daughter cells.
a) four haploid b) four diploid c) two haploid d) two diploid