A(n) ________ trait will spread more quickly through a sexually reproducing population than a asexually reproducing one
a. adaptive
b. neutral
c. negative
d. harmful
e. deleterious
a
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Legumes secrete ____ to attract rhizobial bacteria in low nitrogen soils
a. cytokin b. flavonoids c. nod factors d. calcium e. water
Municipal water treated with chlorine compounds contains
A) no viruses. B) no bacteria at all. C) no endospores. D) no cysts. E) a decreased microbial load.
Unequal crossing over _____
a. is an abnormal crossover event that occurs during mitosis b. occurs between different points on homologous chromosomes c. generates a single point mutation d. is the result of alternative splicing e. occurs between heterologous chromosomes
Short tandem repeats on ____ may be used to
determine genetic relationships among male relatives and descendants.
a. the Y chromosome b. chromosome # 3 c. the X chromosome d. chromosome # 8 e. chromosome # 20